The troops, part of a unit called the Texas Tactical Border Force, will join those already deployed to the border through Texas' Operation Lone Star.

President Trump declared an emergency at the southern border, and as a result, there have already been many changes to policy. At the Texas Capitol, a fight is brewing between Democrats and most Republicans after lawmakers proposed spending $1 billion on a school choice program that would give taxpayer money to students so they can attend public school.

The state has vowed to assist the president in his efforts to revamp immigration. But the state’s biggest cities and school districts are more reluctant to help.

Colombia attempted to stand up to Trump's immigration demands, with mixed results. Mexico appears to be playing it safer.