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Difficulty: MediumLogical Inferences

In a study of the history of technology and metallurgy, researchers analyzed copper artifacts from the Bronze Age in the Aegean region. It was previously assumed that smiths preferred copper sourced from nearby local mines due to transportation difficulties. However, chemical analysis of the isotopic signatures of trace lead impurities in these artifacts reveals that a substantial portion of the bronze objects found in coastal settlements matches copper deposits from distant western Mediterranean islands, whereas artifacts found in inland settlements match local mainland deposits. This pattern remained consistent even during periods of regional conflict that disrupted overland trade routes. Which choice most logically completes the text?

  1. A
    coastal settlements possessed superior ship-building technology that made long-distance maritime transport cheaper than local overland transport.
  2. B
    coastal settlements shifted to using local mainland copper deposits when conflicts blocked access to distant islands.
  3. maritime transportation networks allowed coastal settlements to maintain their copper supply lines from distant sources even when land-based trade was disrupted.Answer
  4. D
    regional conflicts in the Bronze Age Aegean were primarily motivated by competition over control of distant copper mines.

Answer

The correct answer is the statement that maritime transportation networks allowed coastal settlements to maintain their copper supply lines from distant sources even when land-based trade was disrupted.
The passage states that copper artifacts in coastal settlements matched distant island deposits, while those in inland settlements matched local mainland deposits, and that this pattern was unaffected by conflicts disrupting overland trade. This directly supports the conclusion that the maritime transport networks supplying the coastal settlements functioned independently of the disrupted overland routes.

Step-by-Step Solution

1
Analyze the findings presented in the passage regarding copper artifacts.
Coastal settlements used copper from distant western Mediterranean islands, while inland settlements used local mainland copper.
To identify the baseline distribution of copper sources before considering the impact of conflict.
2
Evaluate the effect of regional conflicts on the trade routes.
Conflicts disrupted overland trade routes, but the pattern of coastal settlements sourcing copper from distant islands remained consistent.
To determine which transport routes were affected and which remained functional.
3
Infer the logical conclusion of these persistent patterns.
Since overland routes were disrupted but coastal-island sourcing was not, the maritime networks supplying the coasts must have operated independently of the overland routes.
To resolve the prompt by selecting the option that logically completes the text.

Key Concept

Logical Inferences
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Logical Inferences

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