In the wake of the plains indian wars, u. s. indian policy changed from a policy of (recognized as a failure by the 1880s) to a policy of (an effort that also failed).

-concentrating tribes onto reservations

-trying to integrate Indians into white society as farmers

Explanation:

As the reservations policy lead the Indian community to illness, alcoholism, and desperation, the U.S. shifted the way with the Dawes Severalty Act of 1887, which granted 160 acres of tribal land to each Native American family to farm it for profit. However, many were often unsuccessful because they lacked the required knowledge to do so.

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