Which effect did not result from southern plains tribes surrendering in 1875?

The effects white-Indian conflicts often took a particularly brutal turn and ultimately resulted in the near-de-struction of the indigenous peoples then northern tribes, especially those influenced by Mohawk chief Thayendanegea (Joseph Brant), all in all  the sided with the Crown during the American War for Independence. 

answer; i believe the correct answer is (favorable balance);