What aspect of American democracy is most directly related to Jean-Jacques Rousseau's concept of a social contract?

What is articulating thoughts and ideas effectively using oral written and non verbal skills a part of

Your family is planning a cruise vacation to the caribbean. you were planning on going in july, but you heard july is hurricane season.why do you think there are more hurricanes during the summer? when would be a safer time to visit?

The persian wars started when emperor darius i began an invasion of greece. what caused darius to decide to attack greece? a. greek pirates had raided persia's merchant ships and coastal towns. b. greek armies had attacked and taken over land that belonged to persia. c. greek city-states had supported rebellions in the persian empire. d. greek leaders had declared independence from the persian empire.