Answer:
It launched military campaigns into Mexico to protect US borders.
Step-by-step explanation:
With the Mexican Revolution, there was an increase in migration of war refugees, political exiles, and others who wanted to cross the boarders to the United States of America. They wanted to get away from the violence. Many Mexicans also left the rural areas of the country. They intended to find work and stability in the United States. Migration was growing considerably, to the point that the US had to take action.