Answer:
The Mexican-American War, waged between the United States and Mexico from 1846 to 1848, helped to fulfill America's "manifest destiny" to expand its territory across the entire North American continent.
Explanation:
https://www.history.com/topics/mexican-american-war
Answer:
Economic expansion demanded cheap labor, access to or control of markets to sell or buy products, and natural resources such as precious metals and land
Explanation:
Bad they didn't like them