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04 Oct 2025, 21:49
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The ancient cliff dwellings of the ancient Puebloans in the southwestern United States may have been constructed much more quickly than within the 150-year span previously supposed by scientists, significantly altering researchers' understanding of societal development in Native American cultures. Pueblo oral histories hold that during the mid-13th century, a tribal leader named White Shell Woman organized a coordinated movement of communities into cliff dwellings for protection and resource management. But archaeologists had been unable to scientifically confirm this rapid transition, in part because of limitations with traditional pottery dating methods.
Recently, researchers, knowing that tree rings form annual growth patterns, applied dendrochronology to wooden support beams collected from various cliff dwelling sites. The technique measures both early and late wood formation within each ring, providing precise annual markers of when trees were harvested for construction. Dates from the samples that best reflect cutting time—those with bark still present—ranged from 1248 to 1265 CE, suggesting there was intensive cliff dwelling construction during that period. Because, the researchers argue, these structures served as centers for food storage and resource distribution, the rapid construction likely indicates a significant shift in community organization.
The events described by Pueblo oral histories agree with these new dates, and the cliff dwellings provide tangible archaeological evidence that this sociopolitical shift happened within a single generation of Ancestral Puebloans. This compressed timeline suggests that environmental pressures and increased regional conflict accelerated the need for protective structures far more quickly than previously thought.
Which of the following can be most reasonably inferred from the passage regarding the construction of cliff dwellings by the Ancestral Puebloans?
A. The presence of bark on the wooden beams suggests that the trees used for construction were harvested over several decades.
B. The alignment between dendrochronology data and oral histories suggests that the transition to cliff dwellings was driven primarily by religious motivations.
C. The cliff dwellings’ role in food storage and resource distribution implies that the Ancestral Puebloans anticipated long-term occupation of these structures.
D. The rapid construction of cliff dwellings supports the idea that external pressures necessitated immediate changes to settlement patterns.
E. The lack of earlier construction dates implies that tree ring data may underestimate the true age of some cliff dwelling sites.
Recently, researchers, knowing that tree rings form annual growth patterns, applied dendrochronology to wooden support beams collected from various cliff dwelling sites. The technique measures both early and late wood formation within each ring, providing precise annual markers of when trees were harvested for construction. Dates from the samples that best reflect cutting time—those with bark still present—ranged from 1248 to 1265 CE, suggesting there was intensive cliff dwelling construction during that period. Because, the researchers argue, these structures served as centers for food storage and resource distribution, the rapid construction likely indicates a significant shift in community organization.
The events described by Pueblo oral histories agree with these new dates, and the cliff dwellings provide tangible archaeological evidence that this sociopolitical shift happened within a single generation of Ancestral Puebloans. This compressed timeline suggests that environmental pressures and increased regional conflict accelerated the need for protective structures far more quickly than previously thought.
Which of the following can be most reasonably inferred from the passage regarding the construction of cliff dwellings by the Ancestral Puebloans?
A. The presence of bark on the wooden beams suggests that the trees used for construction were harvested over several decades.
B. The alignment between dendrochronology data and oral histories suggests that the transition to cliff dwellings was driven primarily by religious motivations.
C. The cliff dwellings’ role in food storage and resource distribution implies that the Ancestral Puebloans anticipated long-term occupation of these structures.
D. The rapid construction of cliff dwellings supports the idea that external pressures necessitated immediate changes to settlement patterns.
E. The lack of earlier construction dates implies that tree ring data may underestimate the true age of some cliff dwelling sites.
04 Oct 2025, 21:49
Kudos
Bookmarks
Official Solution:
The ancient cliff dwellings of the ancient Puebloans in the southwestern United States may have been constructed much more quickly than within the 150-year span previously supposed by scientists, significantly altering researchers' understanding of societal development in Native American cultures. Pueblo oral histories hold that during the mid-13th century, a tribal leader named White Shell Woman organized a coordinated movement of communities into cliff dwellings for protection and resource management. But archaeologists had been unable to scientifically confirm this rapid transition, in part because of limitations with traditional pottery dating methods.
Recently, researchers, knowing that tree rings form annual growth patterns, applied dendrochronology to wooden support beams collected from various cliff dwelling sites. The technique measures both early and late wood formation within each ring, providing precise annual markers of when trees were harvested for construction. Dates from the samples that best reflect cutting time—those with bark still present—ranged from 1248 to 1265 CE, suggesting there was intensive cliff dwelling construction during that period. Because, the researchers argue, these structures served as centers for food storage and resource distribution, the rapid construction likely indicates a significant shift in community organization.
The events described by Pueblo oral histories agree with these new dates, and the cliff dwellings provide tangible archaeological evidence that this sociopolitical shift happened within a single generation of Ancestral Puebloans. This compressed timeline suggests that environmental pressures and increased regional conflict accelerated the need for protective structures far more quickly than previously thought.
Which of the following can be most reasonably inferred from the passage regarding the construction of cliff dwellings by the Ancestral Puebloans?
A. The presence of bark on the wooden beams suggests that the trees used for construction were harvested over several decades.
B. The alignment between dendrochronology data and oral histories suggests that the transition to cliff dwellings was driven primarily by religious motivations.
C. The cliff dwellings’ role in food storage and resource distribution implies that the Ancestral Puebloans anticipated long-term occupation of these structures.
D. The rapid construction of cliff dwellings supports the idea that external pressures necessitated immediate changes to settlement patterns.
E. The lack of earlier construction dates implies that tree ring data may underestimate the true age of some cliff dwelling sites.
A) Incorrect. The passage explains that samples “with bark still present” give the best estimate of the tree’s cutting year, which ran from 1248 to 1265 CE. Bark indicates a precise harvest date at the outermost ring, not that harvesting continued over decades. Therefore, the presence of bark argues for a tight construction window, not a prolonged one.
B) Incorrect. The match between tree-ring dates and Pueblo oral history shows the timeline is shorter than once believed, but nothing in the passage links that transition to religious motives. The authors point instead to “environmental pressures and increased regional conflict” as key drivers.
C) Incorrect. Food storage and resource distribution functions do suggest planning, yet the passage gives no evidence about how long the builders expected to stay. The new timeline shows construction happened quickly, but it does not say they foresaw long-term occupation, so this inference goes beyond the text.
D) Correct. Researchers argue that the rapid 1248-1265 construction burst “likely indicates a significant shift in community organization,” and the compressed timeline “suggests that environmental pressures and increased regional conflict accelerated the need for protective structures.” These statements support the inference that outside pressures forced an immediate change in where and how the Puebloans lived.
E) Incorrect. The absence of earlier cutting dates is presented as evidence that the building phase truly was concentrated in the mid-thirteenth century. The passage does not claim dendrochronology underestimates ages; rather, it treats the method as more precise than pottery dating.
Answer: D
The ancient cliff dwellings of the ancient Puebloans in the southwestern United States may have been constructed much more quickly than within the 150-year span previously supposed by scientists, significantly altering researchers' understanding of societal development in Native American cultures. Pueblo oral histories hold that during the mid-13th century, a tribal leader named White Shell Woman organized a coordinated movement of communities into cliff dwellings for protection and resource management. But archaeologists had been unable to scientifically confirm this rapid transition, in part because of limitations with traditional pottery dating methods.
Recently, researchers, knowing that tree rings form annual growth patterns, applied dendrochronology to wooden support beams collected from various cliff dwelling sites. The technique measures both early and late wood formation within each ring, providing precise annual markers of when trees were harvested for construction. Dates from the samples that best reflect cutting time—those with bark still present—ranged from 1248 to 1265 CE, suggesting there was intensive cliff dwelling construction during that period. Because, the researchers argue, these structures served as centers for food storage and resource distribution, the rapid construction likely indicates a significant shift in community organization.
The events described by Pueblo oral histories agree with these new dates, and the cliff dwellings provide tangible archaeological evidence that this sociopolitical shift happened within a single generation of Ancestral Puebloans. This compressed timeline suggests that environmental pressures and increased regional conflict accelerated the need for protective structures far more quickly than previously thought.
Which of the following can be most reasonably inferred from the passage regarding the construction of cliff dwellings by the Ancestral Puebloans?
A. The presence of bark on the wooden beams suggests that the trees used for construction were harvested over several decades.
B. The alignment between dendrochronology data and oral histories suggests that the transition to cliff dwellings was driven primarily by religious motivations.
C. The cliff dwellings’ role in food storage and resource distribution implies that the Ancestral Puebloans anticipated long-term occupation of these structures.
D. The rapid construction of cliff dwellings supports the idea that external pressures necessitated immediate changes to settlement patterns.
E. The lack of earlier construction dates implies that tree ring data may underestimate the true age of some cliff dwelling sites.
A) Incorrect. The passage explains that samples “with bark still present” give the best estimate of the tree’s cutting year, which ran from 1248 to 1265 CE. Bark indicates a precise harvest date at the outermost ring, not that harvesting continued over decades. Therefore, the presence of bark argues for a tight construction window, not a prolonged one.
B) Incorrect. The match between tree-ring dates and Pueblo oral history shows the timeline is shorter than once believed, but nothing in the passage links that transition to religious motives. The authors point instead to “environmental pressures and increased regional conflict” as key drivers.
C) Incorrect. Food storage and resource distribution functions do suggest planning, yet the passage gives no evidence about how long the builders expected to stay. The new timeline shows construction happened quickly, but it does not say they foresaw long-term occupation, so this inference goes beyond the text.
D) Correct. Researchers argue that the rapid 1248-1265 construction burst “likely indicates a significant shift in community organization,” and the compressed timeline “suggests that environmental pressures and increased regional conflict accelerated the need for protective structures.” These statements support the inference that outside pressures forced an immediate change in where and how the Puebloans lived.
E) Incorrect. The absence of earlier cutting dates is presented as evidence that the building phase truly was concentrated in the mid-thirteenth century. The passage does not claim dendrochronology underestimates ages; rather, it treats the method as more precise than pottery dating.
Answer: D
19 Apr 2026, 02:46
Kudos
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Why is E wrong here? The passage clearly mentions the fact that the samples that they got were the ones that best reflected cutting time and that there is room for the fact that true data might still be missing. So there is a chance that the true age "maay underestimate" and fits well with the tone of the passage as well. Kindly help me out.
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