The correct answer is The Department of the Interior. It was formed in 1849, a year after the Mexican war. The Department of state was formed in the 1700s, while the Bureau of Indian Affairs was formed in 1824, which was 25 years before the Department of the Interior and before the Mexican War.
Answer:
This is ffor formarking brainliest
Explanation:
So that railroad companies could build railroads, expanding travel across one's country.
