Question

Difficulty: Very hardIdentification of Main Idea and Supporting Details

Read the passage below carefully:

While the maritime routes of the Atlantic trade have long dominated modern historical analyses of pre-industrial West African political economies, internal terrestrial commerce—specifically the trans-Saharan salt trade—exerted a far more decisive structural influence on early state formation. Salt was not merely a dietary necessity; it served as a primary mechanism of fiscal governance, allowing medieval Sudanic rulers to institute uniform taxation, maintain administrative apparatuses, and project authority across vast territories. In contrast, gold served predominantly as an external export commodity with a minimal role in local statecraft. Therefore, the foundational institutions of early West African political centralization were rooted in the regulation of internal mineral logistics rather than external bullion markets.

Evaluate the following statement based on the passage:
"The primary thesis of the passage is that salt functioned as a mechanism of fiscal governance that enabled medieval Sudanic rulers to institute uniform taxation."

Answer: Answer

Answer

False. The statement presents a specific supporting detail as the central thesis of the passage.
The evaluated statement represents a supporting detail—an illustration of how salt contributed to governance—rather than the primary thesis. The central argument of the passage asserts the overarching structural superiority of internal terrestrial trade over external trade in shaping early West African political centralization.

Step-by-Step Solution

1
Analyze the scope and structure of the passage
The passage contrasts internal terrestrial trade (salt) with external trade (gold/Atlantic routes) regarding their impact on West African state formation.
Understanding the overall argument structure is necessary to separate the main idea from supporting evidence.
2
Identify the central thesis
The main idea is stated in the opening and closing sentences: internal mineral commerce was more fundamental to political centralization than external trade.
The main idea encapsulates the entire argument rather than focusing on a single sub-point.
3
Evaluate the statement against the central thesis
The statement highlights how salt enabled taxation, which is a specific supporting detail illustrating statecraft, not the broader comparative thesis.
A statement that isolates a subordinate point fails to represent the primary thesis of the text.

Key Concept

Distinguishing the Central Thesis from Supporting Evidence
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