How did conflict in europe influence economic growth in america?

Becaue of the conflict in Europe, many the Europeans decided to escape their countries to united states while bringing all they have to America.
This increase the amount of labors available in united states and also increase the number of businesses that operate in our country, which lead to economic growth in america.

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.