I’m not sure but I think the answer A!
Answer:
The Bureau of Indian Affairs' mission is to enhance the quality of life, to promote economic opportunity, and to carry out the responsibility to protect and improve the trust assets of American Indians, Indian tribes and Alaska Natives.
hope this helped uwu
George S. Custer led the Americans at the Battle of Little Bighorn in 1876. I hope this helped! :-)
B........................
Bringing water in from different areas can cause diseases and medical problems. Unfamiliar minerals and vitamins, along with diseases and bacteria, can manifest the water. People or animals whom have not adapted to the water's different diseases and bacteria can catch these diseases and get sick from the bacteria. Natives, on the other hand, may have adapted to the water's bacteria, and the body changes in order to fight off the different bacterium.