How did john collier bring changes to American Indian life and culture?

John Collier, as Commissioner of Indian Affairs from 1933 to 1945, implemented policies that sought to reverse the assimilationist practices of previous administrations. He advocated for the Indian Reorganization Act of 1934, which aimed to restore self-governance and cultural autonomy to Native tribes, allowing them to reestablish their governments and preserve their traditions. Collier also promoted economic development through the establishment of tribal enterprises and encouraged education that respected Native cultures. His efforts significantly impacted American Indian life by fostering a renewed sense of identity and community among tribes.