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A simpler way to cut B (among others) is the absence of "the" at the beginning. Let's take out all the modifiers but the last one and see what we have in B:

Columbus has come to personify devastation and enslavement by which native peoples have been decimated.

I can say this as a sentence: "Columbus has come to personify devastation and enslavement." But once I add the modifier ("by which . . . "), it doesn't make sense. It would be like saying "Here is disease which spread through the continent," or "This is car that I bought last year." Without the word "the," it doesn't work to add a specifying modifier after the noun.

In short, if we want Columbus to stand for devastation and enslavement in general, we don't need an article before those words. But if we want to say which devastation and enslavement we are talking about, we need "the" beforehand.

I hope that helps!
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That is singular right? Is this the only exception case where we use "That have"? It should always be "That has" right? Please correct me if I am wrong
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Rasalghul853

"That" works very similarly to "who." When it's the subject, it is singular. When it's introducing a modifier, then whatever verb that follows should match with the noun we're modifying.

Singular:
Who is driving the car?
That is my favorite movie.
I spoke to the person who is supervising the renovation.
I want a house that has a pool.

Plural:
I spoke to the people who are supervising the renovation.
I don't like cookies that contain raisins.
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we can realize minor error only when two choices are left because the scanning the difference between two choices are easy. at first , we can eliminate many choices except choice B and E.

B contain 3 errors.
- active voice is use when the agent is important and we encode agent as subject. here agent is important.
- "by which" become ambiguous because it can refer to 'progress" or " devastation and enslavement"
- "the" is needed. only when 2 choices are left we can realize this error.
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Edit: There are two slightly different versions of this question! The explanation below uses the version that appears in the GMATPrep software as of December 2018.

This question is an irritating exception to the so-called “touch rule” for noun modifiers.

We also covered this example during our YouTube live chat, so if you prefer to get your SC via video, click here. And we also discussed “that” and the “touch rule” in our recent Topic of the Week on “that.”

Full disclosure: I fell asleep at the wheel and totally missed this question the first time I saw it a few years ago. So please be smarter than I was. :D

Quote:
A. devastation and enslavement in the name of progress that has decimated native peoples of the Western Hemisphere
This sounds great! “… progress that has decimated native peoples…” Yeah!

Oh, wait. That doesn’t actually make sense. It wasn’t the progress that decimated native peoples – the “devastation and enslavement in the name of progress” was the thing that decimated native peoples. Oops.

Notice that this is a plausible exception to the “touch rule”: the only things separating “that” from “devastation and enslavement” are a pair of prepositional phrases, and it would be awfully tough to separate them from “devastation and enslavement.” So sure, “that has decimated native peoples” could refer back to “devastation and enslavement.”

But there’s a new problem: “devastation and enslavement… has decimated.” Subject-verb error. Eliminate (A).

Quote:
B. devastation and enslavement in the name of progress by which native peoples of the Western Hemisphere decimated
This one just doesn’t make any sense. The native peoples were decimated; the way (B) is written, it sounds like they decimated somebody else, but we don’t know who. And that doesn’t make sense. Eliminate (B).

Quote:
C. devastating and enslaving in the name of progress those native peoples of the Western Hemisphere which in the name of progress are decimated
Lots of messy issues here. It’s not ideal to use the gerunds “devastating and enslaving” when we could use the noun forms “devastation and enslavement.” That’s not necessarily an absolute rule, but it’s one strike against (C).

(Also, “in the name of progress” is repeated… but I think that’s a GMAT Club typo, and that error doesn’t appear in the actual question. Oops.)

“Which” is a problem here, too. If the phrase beginning with “which” modifies “Western Hemisphere,” then it’s illogical; if it reaches back to “native peoples of the Western Hemisphere”, then it’s still wrong, because “which” can’t modify people – only things. (C) is gone.

Quote:
D. devastating and enslaving those native peoples of the western Hemisphere which in the name of progress are decimated.
Basically, all of the errors in (C) are repeated in (D). So (D) is out, too.

Quote:
E. the devastation and enslavement in the name of progress that have decimated the native peoples of the Western Hemisphere.
Almost everything we said about (A) applies here too: this looks like a classic exception to the “touch rule.”

The only difference? “Has” in (A) has been changed to “have” in (E). “Devastation and enslavement… have decimated the native peoples.”

So (E) is the best answer, even if you think (A) might sound better. :)

And if anybody is still curious about the article "the" at the beginning of (E): I don't think it's a big deal, but adding "the" helps clarify that Columbus personifies the specific devastation and enslavement that decimated the native peoples, rather than devastation and enslavement in general. But again: that's not a major issue, and not something that should worry you too much.

Can anyone clarify that "that" can refer to both singular and plural subject or 2 subjects like "which" does? Somehow it is really stuck in my mind that "that" can't refer to plural subjects. I missed this question in mock due to this preconceived notion. I checked multiple places, didn't get any clear answer. GMATNinja it will be really helpful!
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SohiniSengupta
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Edit: There are two slightly different versions of this question! The explanation below uses the version that appears in the GMATPrep software as of December 2018.

This question is an irritating exception to the so-called “touch rule” for noun modifiers.

We also covered this example during our YouTube live chat, so if you prefer to get your SC via video, click here. And we also discussed “that” and the “touch rule” in our recent Topic of the Week on “that.”

Full disclosure: I fell asleep at the wheel and totally missed this question the first time I saw it a few years ago. So please be smarter than I was. :D

Quote:
A. devastation and enslavement in the name of progress that has decimated native peoples of the Western Hemisphere
This sounds great! “… progress that has decimated native peoples…” Yeah!

Oh, wait. That doesn’t actually make sense. It wasn’t the progress that decimated native peoples – the “devastation and enslavement in the name of progress” was the thing that decimated native peoples. Oops.

Notice that this is a plausible exception to the “touch rule”: the only things separating “that” from “devastation and enslavement” are a pair of prepositional phrases, and it would be awfully tough to separate them from “devastation and enslavement.” So sure, “that has decimated native peoples” could refer back to “devastation and enslavement.”

But there’s a new problem: “devastation and enslavement… has decimated.” Subject-verb error. Eliminate (A).

Quote:
B. devastation and enslavement in the name of progress by which native peoples of the Western Hemisphere decimated
This one just doesn’t make any sense. The native peoples were decimated; the way (B) is written, it sounds like they decimated somebody else, but we don’t know who. And that doesn’t make sense. Eliminate (B).

Quote:
C. devastating and enslaving in the name of progress those native peoples of the Western Hemisphere which in the name of progress are decimated
Lots of messy issues here. It’s not ideal to use the gerunds “devastating and enslaving” when we could use the noun forms “devastation and enslavement.” That’s not necessarily an absolute rule, but it’s one strike against (C).

(Also, “in the name of progress” is repeated… but I think that’s a GMAT Club typo, and that error doesn’t appear in the actual question. Oops.)

“Which” is a problem here, too. If the phrase beginning with “which” modifies “Western Hemisphere,” then it’s illogical; if it reaches back to “native peoples of the Western Hemisphere”, then it’s still wrong, because “which” can’t modify people – only things. (C) is gone.

Quote:
D. devastating and enslaving those native peoples of the western Hemisphere which in the name of progress are decimated.
Basically, all of the errors in (C) are repeated in (D). So (D) is out, too.

Quote:
E. the devastation and enslavement in the name of progress that have decimated the native peoples of the Western Hemisphere.
Almost everything we said about (A) applies here too: this looks like a classic exception to the “touch rule.”

The only difference? “Has” in (A) has been changed to “have” in (E). “Devastation and enslavement… have decimated the native peoples.”

So (E) is the best answer, even if you think (A) might sound better. :)

And if anybody is still curious about the article "the" at the beginning of (E): I don't think it's a big deal, but adding "the" helps clarify that Columbus personifies the specific devastation and enslavement that decimated the native peoples, rather than devastation and enslavement in general. But again: that's not a major issue, and not something that should worry you too much.

Can anyone clarify that "that" can refer to both singular and plural subject or 2 subjects like "which" does? Somehow it is really stuck in my mind that "that" can't refer to plural subjects. I missed this question in mock due to this preconceived notion. I checked multiple places, didn't get any clear answer. GMATNinja it will be really helpful!

Hello SohiniSengupta,

We hope this finds you well.

To answer your query, as a subject pronoun - a pronoun that takes the place of a noun - "that" is always singular, however, as a demonstrative pronoun - a pronoun used to link a noun with a modifying phrase - "that" can refer to singular and plural nouns.

For example, "The companies that pollute the most are power companies."

Here, "pollute the most" is a modifying phrase that acts upon "companies", and "that" is used to link them.

We hope this helps.
All the best!
Experts' Global Team
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I have a doubt about the usage of "has" vs "have" (in option A vs option E respectively) primarily stemming from the fact that: "devastation and enslavement" can be used as a compound subject here right?
When should be consider such nouns as a single compound subject vs a list?
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I have a doubt about the usage of "has" vs "have" (in option A vs option E respectively) primarily stemming from the fact that: "devastation and enslavement" can be used as a compound subject here right?

When should be consider such nouns as a single compound subject vs a list?
This isn't something that the GMAT is generally interested in testing.

Usually, a compound subject takes a plural verb. The only exceptions are things that are generally thought of as a single entity, such as, "Earth, Wind, and Fire is the greatest band of all time," or "Research and development is well-funded at this company," or "Johnson & Johnson is my favorite pharmaceutical company."

Again, that sort of thing won't come up often, if at all, on the GMAT. If you can find an official GMAT question in which a compound subject has a singular verb in the OA, let us know!
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I am unable to eliminate option B. Even though I have gone through all the replies I can't understand why option B is incorrect.

Is my reasoning to eliminate option C correct?

devastating and enslaving in the name of progress those native peoples of the Western Hemisphere that have been decimated


those is referring to the native people that have been decimated. Because of this the sentence now means that Christopher Columbus has come to personify devastating and enslaving of the native pepole that have been decimated..

Thanks
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For many revisionist historians, Christopher Columbus has come to personify devastation and enslavement in the name of progress that has decimated native peoples of the Western Hemisphere.

Option Elimination -

(A) devastation and enslavement in the name of progress that has decimated native peoples of the Western Hemisphere - This is a deception option, which makes it a 700+ level question. "and" creates plural unless until its crystal clear that it's one entity as in "Ram and Shyam Ltd" or "John and Sarah Inc." or " research and development" or if the founder and CEO is the same people then "The founder and CEO has inaugurated a new office.

The critical point here is the meaning that should act as a magnetic compass in case of such issues. "progress" can't decimate people. So the relative clause "that has decimated native peoples" needs to refer to "devastation and enslavement," which is plural, thus creating an SV issue.

(B) devastation and enslavement in the name of progress by which native peoples of the Western Hemisphere have been decimated - again, "progress" decimated? "devastation and enslavement" decimated? Ambiguous. Moreover, "passive voice" here is a bit of inferior construction.

(C) devastating and enslaving in the name of progress those native peoples of the Western Hemisphere that have been decimated - "devastating and enslaving" is inferior. A proper noun is better than ING. "that" refers to "people" wrong. "those"? Total mess.

(D) devastating and enslaving those native peoples of the Western Hemisphere which in the name of progress are decimated - same issues in using ING as in C. "which" refers to people wrong.

(E) the devastation and enslavement in the name of progress that have decimated the native peoples of the Western Hemisphere - This option is very uncomfortable and highly repulsive at first, and we are used to having a relative clause near a noun it modifies. But if we understand the meaning, as we saw in A, "progress" can't decimate people, so it has to refer to "the devastation and enslavement" (jumping over a prepositional phrase), which is plural. ok
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