AP Explains: Why US militarization of border isn’t new
ALBUQUERQUE, N.M. — President Donald Trump’s promise to use the National Guard to secure the U.S.-Mexico border isn’t a new concept and is something the U.S. has done in the past for varying reasons.
Both Presidents George W. Bush and Barack Obama sent National Guard troops to the border when they were in the White House. And throughout the history of the borderlands, the military or armed militias have been dispatched there to keep black slaves from fleeing, remove Native Americans from ancestral lands and suppress Mexican-American revolts stemming from anger over white mob violence.
Here’s a look at how the U.S. has used the military and armed militias along the border:
SLAVERY AND CHINESE EXCLUSION


