Question

What was true of American Indian tribes under the Indian Appropriations Act? The United States government agreed to sign treaties with all tribes. Tribes were no longer considered to be independent nations. Tribe members were no longer wards of the government. The United States government helped tribes keep their cultural identity.

Answer 1

Base on the question that is asking to choose among the following choices that state the statement that tells the truth about the American Indian Tribes under the Indian Appropriation Act, base on my research, the possible answer would be that Tribes were no longer considered to be independent nations. 
I hope you are satisfied with my answer and feel free to ask for more 

Answer 2

The answer is  B.Tribes were no longer considered to be independent nations.