D. Contain the spread of Communism in every region of the world
The domino theory said that if one country falls to Communism, then the nations it associates with will turn to Communism as well. So, the solution for this was try to contain Communism so it wouldn't spread.
Mexican Revolution was at 1910
Capitalism is often thought of as an economic system in which private actors own and control property in accord with their interests, and demand and supply freely set prices in markets in a way that can serve the best interests of society. The essential feature of capitalism is the motive to make a profit.
This would be describing a "<span>b. social contract". This idea came to prominence during the Enlightenment, when people started to finally question the "divine right" of kings. </span>
Negative self talk is just an expression of perceived risks