I think it’s the ussr and the us ?
Answer:
before the great Anglo-American migration; included Serrano, Chumash, Pomo, Maidu, ... native people who were the most widespread presence in the West; some ... tended cattle and performs other duties on horseback as overseer/insurance ... tribal ownership of land; forcibly removed some native children from homes ...
Explanation:
The colonists should Seperate from the British Empire because the King of England was unfair towards the people in the colonies. The Colonist were in need of a new Government to have rights that they didn't have before.