Aside from connecting the East U.S. to the West U.S., the transcontinental railroad was also instrumental in driving a gap through the confederate territories and ending the reconstruction era. (Choices A and D are the answers.)
Hope my answer has come to satisfy your query.
Answer:
it established the pattern according to which the West would be settled by the citizens of United States.
Explanation:
This document was passed in 1787 and it had large importance on the process of creating states and admitting them to United States. According to it, each state had to have at least 60,000 inhabitants, and rules were established so that settlement was done in a peaceful manner.
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.