The___officially put an end to slavery. 1.President
2.Constitution
3.Emacipation Proclamation
4.3th Amendment

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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.