As a result of the Revolutionary War, Slavery was eliminated in the North.
The American Revolutionary War lasted from 1775 to 1783. It was an 18th-century war waged between Great Britain and its Thirteen Colonies in alliance with France, which declared independence as the United States of America.
The war occurred after more than a decade of increasing estrangement between the British crown and a large and influential portion of its North American colonies.
When Washington said that the United States would be "friendly and impartial" in regard to foreign conflicts he was , in essence, saying that the United States would remain neutral.