Answer: Korea
Explanation: United States was trying to stop the spread of Communism.
Well, fear is created when there is a threat. WW2 Had just ended, so of course America did not want any other nation to become more powerful than them, for the idea that it would end up being like Germany. Americans also wanted to protect democracy, so communism was a major threat to the USA and it's beliefs. Naturally, America wanted to prove dominance to the USSR, thus the beginning of the cold war.
The English, Dutch and French forces saw that the Caribbean islands where valuable and those European powers started to fight for it, when the English started to prevail Spain was forced to retreat and the consequences where that Spain lost one of its valuable land but also it lost soldiers during the fights it had with the other powers.