Answer:
They needed to remove Natives so that settlers could use the land.
Explanation:
Removal and settlement on reservations served two purposes for the United States. First, it cleared land of Native Americans for western expansion. Second, it permitted the United States to carry out a program of Americanizing Tribes into communities of small farmers
Slavery was legal in Texas under the state's Constitution. When Texas became a state, another "slave state" was added to the country.
The correct answer would be high or higher taxes