HIDALGO, TX - NOVEMBER 02: U.S. Army active duty troops from Ft. Riley, Kansas, 97th MP Battalion install protective wire along the Rio Grande at the U.S.-Mexico border on November 2, 2018 in Hidalgo, Texas. U.S. President Donald Trump ordered the troops to the border to bolster security at points of entry where an immigrant caravan may attempt to cross in upcoming weeks. (Photo by John Moore/Getty Images)