The Militarization of the U.S.-Mexico Border Is Not a New Idea

This post is in partnership with the History News Network, the website that puts the news into historical perspective. A version of the article below was originally published at HNN.

President Trump has said that as many as 15,000 U.S. troops could be deployed to the border with Mexico as approximately 3,500 migrants from mainly Honduras make their way north. His critics were incensed, saying he was playing politics with the immigration issue as elections fast approached.