UPSC CSE Prelims

Correct Option: D Explanation: Many nineteenth-century tribal revolts arose from the destruction of traditional communal land and forest arrangements through colonial revenue policies, outsiders and exploitation. Option-wise Analysis: A: Incorrect - Revenue changes were important drivers but do not by themselves cover all rebellions. B: Incorrect - Missionary activity was not the single common explanation across tribal insurrections. C: Incorrect - Moneylenders and traders contributed to exploitation but were part of a broader upheaval. D: Correct - wholesale disruption of customary agrarian and forest life was the overarching common cause.