I'd say C for 10, D for 11, and A for 12.
But you might want a second person to verify.
Plains Indians, including Sioux, Cheyenne, Crow, Black feet, Comanche, Pawnee, and many more, developed teepees made of buffalo hides and held up by wooden poles.
Answer:
Government jobs in exchange for support
Explanation:
Nixon ran against a. hubert h. humphrey in the 1968 election