Which event in European history both demonstrated the social contract theory of Rousseau and influenced the way American democracy was crafted?

A: the French Revolution

B: the Spanish Civil War

C: the Hundred Years War

D: the Ottoman War

The French Revolution event in European history both demonstrated the social contract theory of Rousseau and influenced the way American democracy was crafted.

Answer: Option A

Explanation:

The French Revolution, a revolution which resulted in France redefining the political scenario of the country by the overthrowing of monarchy in France due to poor economic outcomes of inefficient and ineffective governance.

The revolution resulted in the outcome of "Equality, Liberty and Fraternity" - the three core principles which defined the democratic principles of a lot of countries, especially the United State of America. This demonstrated the social contracts theory of Rousseau and influenced the way American democracy.