Answer:
The term "social contract" refers to the idea that the state exists only to serve the will of the people, who are the source of all political power enjoyed by the state. The people can choose to give or withhold this power. The idea of the social contract is one of the foundations of the American political system.
Ulysses S. Grant is the answer
it's C because,
Nat Turner's Rebellion was a slave ... The state executed 56 slaves accused of being part of the rebellion, and many ... He witnessed a solar eclipse on February 12, 1831 and was convinced that it ... alarm led to whites' attacking blacks throughout the South
Atherosclerosis is developed in the cardiovascular system.