Why did the Constitution’s framers give the Senate a shared role with the president in making treaties?

The social contact theory states that

What was the name of the theory that said that if one country in a region fell to communism, others would surely follow? 1) domino theory 2) arms race 3) brinkmanship 4) containment theory

These facilities were organized and sponsored by churches or charities during the great depression in an effort to feed the homeless and needy.