Answer:
The French Revolution was inspired by the philosophies of Locke and Rousseau. From Locke, an English philosopher who lived until 1704, came the ideas of empiricism, epistemology and the Social Contract. Jean Jacques Rousseau was the inspiration behind conservative, liberal and socialist theory.
Explanation:
A. Unrestricted Submarine Warfare.
This caused Germans to attack vessels that carried US citizens, bringing the US into the war.