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Difficulty: MediumPart-to-Whole Rhetorical Function

For centuries, cartographers of the early modern era included features on maps that did not exist in reality, such as the mythical island of Hy-Brasil. While these inaccuracies are sometimes dismissed as mere blunders, historians of cartography argue they served a distinct purpose. By rendering these imagined lands with precise coordinates, mapmakers signaled their reliance on historical texts rather than direct geographical surveys. Consequently, these maps are best understood not as failed attempts at objective representation, but as records of the geographical authority of their time.

Which choice best describes the function of the underlined sentence in the text as a whole?

  1. A
    It suggests that cartographers included mythical islands in order to deliberately mislead contemporary sailors.
  2. B
    It presents the passage's final conclusion that early modern maps should be interpreted as catalogs of geographical authority.
  3. It explains the specific method by which mapmakers demonstrated their reliance on historical texts rather than direct observation.Answer
  4. D
    It describes the advanced geographical surveying techniques that early modern cartographers used to map real islands.

Answer

The correct answer explains the specific method by which mapmakers demonstrated their reliance on historical texts rather than direct observation.
The correct option identifies that the underlined sentence describes the mechanism (rendering imagined lands with coordinates) by which mapmakers indicated they were relying on historical texts rather than direct surveys.

Step-by-Step Solution

1
Analyze the underlined sentence to identify its main claim.
The underlined sentence describes how cartographers mapped mythical places with precise coordinates to show they were following historical texts rather than performing direct geographical surveys.
Identifying the central claim of the sentence is the first step in determining its rhetorical function.
2
Examine the surrounding sentences to establish the logical flow.
The preceding sentence introduces the idea that these cartographical inaccuracies served a 'distinct purpose.' The underlined sentence explains how this purpose was achieved, while the final sentence draws a conclusion about the maps' historical value based on this behavior.
Analyzing the relationships between sentences reveals how the underlined sentence contributes to the development of the larger argument.
3
Evaluate the choices to find the one that matches the logical relationship.
The option stating that it explains the method by which mapmakers demonstrated their reliance on historical texts accurately matches the sentence's function of detailing how mapmakers signaled that reliance.
Selecting the option that describes this function shows correct structural comprehension of the passage.

Key Concept

Identifying how a specific sentence supports or develops the main argument of a passage.
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Topics

Part-to-Whole Rhetorical Function

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