Which of the following is a lasting cultural impact made by the romans?
the pyramids
the canal lock system
buddhism
the modern alphabet

I think it would be the canal lock system, also known as an aqueduct.

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.