Archeologist Sarah Parcak has a vision. Watch Hunting for Peru's lost civilizations — with satellites and discuss what her dream is and in what ways you think her idea will impact the field of archeology?

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.