The correct answer would be "They created a demand for Eastern goods." Think about it, after the Crusades, goods Eastern powers contained were high in demand. Specifically things like silk. spices, and tea. This also increased exploration because the the Ottoman Turks halted the commerce between Europe and the East. The reason why the voyage of Christopher Columbus was funded in the first place was so that a trade route around the Turks could be found. As we all know, he found something even better.
Answer:
The correct answer should be the last one, It encouraged Americans to live up to the ideals of the founding fathers.
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.