Which of these statements best describes how trade in New Mexico was affected by the opening of the Santa Fe Trail and the arrival of the First Transcontinental Railroad?

Question

A.
The amounts of goods that were bought and sold in the state remained about the same.

B.
The amount of goods that were sold in the state increased slightly.

C.
The amount of goods that were bought and sold in the state increased significantly.

D.
The amount of goods that were bought in the state increased slightly.