ANSWER:
Prob testing theories
WHY:
I am unsure
Roosevelt proposal to add one new justice to the Supreme Court for every justice over age seventy.
Answer: indentured servant
Explanation: Indentured servants were men and women who signed a contract (also known as an indenture or a covenant) by which they agreed to work for a certain number of years in exchange for transportation to Virginia and, once they arrived, food, clothing, and shelter.
Plains Indians started hunting buffalo more efficiently.
The answer is D. :)
Kansas was a new territory that was being fought over between Indian tribes. They all pretty much wanted the same land. this is why it became known as "bleeding Kansas" Hope this helps :)