What was americas foreign policy centered on after ww2

America's foreign policy was centered on america we thought that other nations problems were there own and we didn't want to get involved america's foreign 

France played a key role in the american revolutionary war (american war of independence; 1775–1783). motivated by the ideals of the new nation which were inspired by the french enlightenment, as well as its long-term rivalry with britain and so as to avenge their territorial losses during the french and indian war, france secretly began sending supplies to the americans in 1775.