Was one of the first psychologists to use positive reinforcement to teach basic self- skills to people with developmental disabilities and also train marine mammals for the u. s. navy

Marian Breland was one of the first psychologists to use positive reinforcement to teach basic self-help skills to people with developmental disabilities and also helped train marine mammals for the U.S. Navy.
 Marian and his wife Kelly were pioneers in the development of animal tanning and behavior modification techniques.

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.