Xavier believes everything his college professor says because she is in a respected position. Xavier accepts what the professor says because he believes that knowledge is certain and the professor has that knowledge. Xavier is engaged in:

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.