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Difficulty: HardPrimary Purpose of the Whole Text

For decades, twentieth-century historians and ecologists operated under the assumption that the Americas prior to 1492 were an untamed wilderness, largely untouched by human hands. This 'pristine myth' suggested that indigenous populations had minimal impact on their environments. However, geographer William Denevan challenged this consensus by synthesizing archaeological and environmental data. Denevan demonstrated that pre-Columbian societies actively managed their landscapes through sophisticated agricultural techniques, controlled burning, and extensive agroforestry. Rather than passive inhabitants of an unaltered wild, these populations had profoundly modified the Americas, creating what Denevan termed an 'anthropogenic forest.' By reframing early American landscapes as actively managed ecosystems, Denevan's work forced a fundamental shift in both historical interpretation and modern conservation strategies, which previously sought to restore forests to a fictional human-free baseline.

Which choice best states the main purpose of the text?

  1. A
    It details the specific agricultural and land-management techniques, such as controlled burning, used by indigenous societies before 1492.
  2. It describes how a researcher's challenge to a prevailing belief about pre-Columbian landscapes influenced both historical understanding and conservation practices.Answer
  3. C
    It argues that human intervention is universally required to maintain the ecological health of modern wilderness areas.
  4. D
    It chronicles the collaborative efforts of historians and modern conservationists to recreate pre-Columbian farming methods in the Americas.

Answer

The correct answer describes how a researcher's challenge to a prevailing belief about pre-Columbian landscapes influenced both historical understanding and conservation practices.
The correct option summarizes the entire passage by identifying the initial scholarly belief (the pristine myth), William Denevan's challenge to it through synthesized evidence, and the resulting impact of this challenge on both historical study and modern conservation practices.

Step-by-Step Solution

1
Analyze the first two sentences to identify the initial context.
The text introduces the 'pristine myth,' which was the twentieth-century consensus that pre-Columbian Americas were an untouched wilderness.
Understanding the baseline assumption is necessary to track the development of the passage's argument.
2
Identify the transition and core counter-argument introduced in the third and fourth sentences.
William Denevan challenged this consensus by showing that indigenous populations actively managed and modified their landscapes.
Denevan's research is the primary subject of the text's analysis.
3
Examine the final sentence of the passage to identify the consequences of the research.
Denevan's work led to a fundamental shift in both historical interpretation and modern conservation strategies.
The end of the text explains the broader importance and impact of the research.
4
Synthesize the parts into a single main purpose.
The text functions to show how a researcher (Denevan) disputed an old belief (the pristine myth) and how that dispute shifted two separate disciplines (history and conservation).
The primary purpose must encompass all major elements of the passage rather than focusing on a single supporting detail.

Key Concept

Primary Purpose of the Whole Text
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Primary Purpose of the Whole Text

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