Which phrase best completes this list?

Results of the Louisiana Purchase

United States doubles in size

American control of the Mississippi River

A. Greater Wealth for existing settlers in the West

O

B. Peace with American Indian tribes

w

O

C. New states form in the Louisiana Territory

O

D. Water route to the Pacific Ocean

C. New states form in the Louisiana Territory

Explanation:

"A" is incorrect because for the only settlers in the West (not including natives) were the Mexicans.

"B" is incorrect because the acquisition of this territory brings the Americans to kick out the Indian tribes (Trail of Tears)

"D" is incorrect because there is no body of water that goes coast to coast, and the Erie Canal was built much later.