How is this a history question-
This was an example of Direct Transfer.
The Indian Relocation Act of 1956 which was also known as Public Law 959 was a United States law intended to encourage Native Americans in the United States to leave Indian reservations, acquire vocational skills and assimilate into the general population. For this reason it was also called the Adult Vocational Training Program.
The answer would be A. Naturalism. Hope this helps ^_^.
The correct answer is Cotton.
Texas was a great area for cotton because of the vast amounts of land that were farmed and because of the amazing climate. They also had slaves so they could have them work on those farms and produce cotton which was the main thing in their economy.