An economic impact of the agricultural industry resulting from the close of the frontier — ended cotton farming as a cash crop.

forced the railroad industry to shut down.

made cotton farming an ideal cash crop.

caused many farmers to declare bankruptcy.

no

explanation:

rain should be the answer.

the declaration states, “we hold these truths to be self-evident, that all men are created equal, that they are endowed by their creator with certain unalienable rights, that among these are life, liberty, and the pursuit of happiness….”