I dont know the answer to that
The Spanish control of navigation and trade along interior rivers was not a cause of conflict between American Indians and the new nation during Washington’s presidency for these activities is not an issue at all.
Moreover, most conflict resulted from continued British military presence on frontier outpost, cultural clashes, land disputes claims since the end of revolution, lack of constitution guidelines and criminal acts committed on both sides.
Do you speak english?..maybe i could help
Ok the answer is hyperpolarization