What was the purpose of the treaty of fort laramie? to keep native americans away from migration routes used by westward settlers to prevent the plains indians from engaging in wars over buffalo herds to protect american traders and trappers from competition by native americans to guarantee the safety of the mormon communities in the rockies

The purpose of the Treaty of Fort Laramie was to keep Native Americans away from migration routes used by westward settlers.
This Treaty gave the Sioux certain areas of America to own, parts where no white people could enter. This was both for the protection of white people and Native Americans, however, it did not last for long because white people entered Native American territory in search of gold.

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