Final answer:
The French government banned Rousseau's pamphlet, The Social Contract, in 1775 because it questioned the legitimacy of absolute monarchy and advocated for popular sovereignty.
Step-by-step explanation:
The French government banned a pamphlet by Jean Jacques Rousseau in 1775 due to its controversial content and political implications. Rousseau's pamphlet, titled The Social Contract, presented ideas that questioned the legitimacy of absolute monarchy and advocated for popular sovereignty and individual freedom. The French government, which was ruled by absolute monarchy at the time, saw Rousseau's ideas as a threat to their authority and stability.