1. During the Cold War era, the policy of containment was the principle that communist governments will eventually fall apart as long as they are prevented from expanding their influence.
2. Korean War, Vietnam War, Marshall Plan
3. West Berlin was in the Soviet-controlled zone within East Germany. It was literally in the mercy of the enemy, and that posed a dire problem, which can be seen when the Soviet Union blockaded West Berlin.
Senator Henry Cabot Lodge supported imperialism which is the expansion of a country's power and influence through diplomacy.
In 1898 The Spanish-American war was started and we made a point of stationing a new naval base in Hawaii called Pearl Harbor. During this time the Congress approved an annexation of Hawaii. So we basically overthrew the monarchy in Hawaii and made it a state in 1959.
