The U. S bureaus of Indian affairs was formed to do?

Answer: Absorb American Indians into the mainstream American culture.

Explanation: Apex!

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Explanation:

The Office of Indigenous Affairs is not common among federal agencies. With roots dating back to the Continental Congress and the United States Constitution, the Office is almost as old as the United States. Despite its tumultuous origins of the nineteenth century, the Office of Indigenous Affairs has become a 21st century agent for the success of the Indian country.

Established by Secretary of War John C. Calhoun on March 11, 1824, to oversee and carry out the federal government's trade and treaty relations with the tribes, the Office of Indigenous Affairs remains the oldest agency in continuous existence. within the Department of the Interior and one of the oldest. In the federal government Known for decades as the "Indian office," the Department formally adopted the name of the Office of Indigenous Affairs (BIA) on September 17, 1947 as the official name of the agency.