Which patriot militia leader convinced many native Americans to abandon their british allies leading to the recovery of the recovery of the fort at vincennes Indiana?

The patriot militia leader who convinced many Native Americans to abandon their British allies was George Rogers Clark. His successful military campaigns in the Northwest Territory, including the capture of Fort Vincennes in 1779, were pivotal in encouraging Native American tribes to reconsider their alliances. Clark's strategic approach and negotiations helped weaken British influence among the tribes, ultimately contributing to the American victory in that region.