The early cultivation of cotton (Sindon) by the Indus Valley Civilization represents a major technological milestone. Which of the following statements best analyzes the significance of this development?

Options:

• A: Cotton was grown purely for domestic consumption, as the Harappans lacked the technology to dye or weave it into exportable textiles.
• B: The cultivation of cotton required sophisticated perennial canal irrigation, which led to the centralization of political power in the Indus Valley.
• C: Cotton cultivation and textile production served as a specialized craft that integrated rural agricultural surplus with urban manufacturing and international maritime trade networks.
• D: Cotton was the only crop grown in the Indus Valley, leading to severe soil exhaustion and the eventual collapse of the civilization.

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