the US was very concerned because of the fact that Cuba had nuclear missiles within range of Washington D.C. and the leader of Cuba was being heavily supported by the Russians which at this time the US were involved in a cold war with where each side was moments from launching nuclear missiles at one another.
There are several influences in US government from Greece. The type of government, democracy, comes from Greece. There are also many government buildings in the US that are inspired by Greek government buildings.
Their Isolation left them far behind Europe.
