During the 1870s, the army also introduced a military tactic--winter campaigning. The army attacked Plains Indians during the winter when they divided into small bands, making it difficult for Indians effectively to resist. Another key factor was the destruction of the Indian food supply, especially the buffalo.
Answer:
Explanation:
The army attacked Plains Indians during the winter when they divided into small bands making it difficult for Indians effectively to resist Another key factor was the destruction of the Indian food supply
