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Sub 505 (Easy)|   Comparisons|   Punctuation|   Verb Tense/Form|                  
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Unlike the buildings in Mesopotamian cities, which were arranged haphazardly, the same basic plan was followed for all cities of the Indus Valley: with houses laid out on a north-south, east-west grid, and houses and walls were built of standard-size bricks.

(D) Mesopotamian cities, in which buildings were arranged haphazardly, the cities of the Indus Valley all followed the same basic plan: houses were

"houses were (Sub verb1) laid out on a x,y" and
(houses and walls- Subject 2) were (verb 2) built

Why there is no marker btw north-south and east west?
Can you please help to understand the parallelism and sentence structure after colon?
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Sneha2021
Unlike the buildings in Mesopotamian cities, which were arranged haphazardly, the same basic plan was followed for all cities of the Indus Valley: with houses laid out on a north-south, east-west grid, and houses and walls were built of standard-size bricks.

(D) Mesopotamian cities, in which buildings were arranged haphazardly, the cities of the Indus Valley all followed the same basic plan: houses were

"houses were (Sub verb1) laid out on a x,y" and
(houses and walls- Subject 2) were (verb 2) built

Why there is no marker btw north-south and east west?
Can you please help to understand the parallelism and sentence structure after colon?

Hello Sneha2021,

We hope this finds you well.

To answer your query, this sentence uses the "adjective ("north-south") + comma + adjective ("east-west") + noun ("grid")" construction; remember, if two adjectives are used to modify the same noun, they can be linked together using a comma; essentially, this construction conveys that the grid was arranged along both a north-south and east-west pattern.

Further, the portion of the sentence that follows the colon is structured as two independent clauses joined by the "comma + conjunction ("and") in this sentence)" construction.

We hope this helps.
All the best!
Experts' Global Team
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