Amajor purpose of fort gibson in oklahoma territory was to a. hinder plains indians’ attempts to migrate to eastern united states territory b. coordinate the resettlement of american indians arriving from the american southeast during the early to mid-1800s c. civilize native american indian tribes by providing them american schooling and religion d. register american indians with the federal government in order to establish clear property claims

coordinate the resettlement of American Indians arriving from the American southeast during the early to mid-1800s

Explanation:

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roosevelt believed that in light of the country's recent military successes, it was unnecessary to use force to achieve foreign policy goals, so long as the military could threaten force. this belief, and his strategy of “speaking softly and carrying a big stick,” shaped much of roosevelt's foreign policy.