Generally speaking, it would be a "nation" that is the term that is is used for “a community of people that shares territory and a government”, since the other options usually reside within said country.
a) hunter gatherers who built mounds
The various cultures collectively termed "Mound Builders" were inhabitants of North America who, during a circa 5,000-year period, constructed various styles of earthen mounds for religious, ceremonial, burial, and elite residential purposes.
Answer:
The more immigrants came to Texas the more diverse the culture became, and the Native Americans had less space because the immigrants had to build houses and we’re eating more food and killing more animals and plowing more land, which invaded the American Indians land and they got angry. They had to move out because their land was being destroyed and they were attacking the sellers so the government forced them out. But because so many immigrants were coming to Texas they had to change the way people live because sometimes they don’t want to follow the walls like people keeping slaves and going against the law, because they wanted t
Explanation:
It would be the rope that led to the end of the open range