Answer:
The answer would be : A. Tribes refused to stay on the failing reservations
The reservations refer to Government's effort to replace Indian land that has been acquired for them. But these reservations failed to fulfill the basic need of the Indians that was promised by the government so a couple of tribes refused to stay in it and demanded their land back
developed a vaccine that virtually eliminated polio from American society.
#2 is one of the answers! #3 itthe other answer!!!! hope this helps! :)
Answer:
coffee, cocoa beans, and palm oil.
Explanation: