The United States exercises its foreign policy through economic aid. ... In the years after World War II, the United States was guided generally by containment ... With the collapse of the Soviet Union in 1991, containment no longer made sense, ... deal with foreign, military, and economic policies that affect national security.
The United Nations (the UN) was established in 1945, the same year the Second World War ended. This organization was created in the hopes of averting such another massive war.
Checks and balances allows other form of governments or branches to check on other governments or branches to see if they are doing what they are supposed to do
