More is coming, but many directives will take time to be implemented or will face political, legal or practical obstacles.

The order will deploy 1,500 troops to build physical barriers, but they will not be used for law enforcement, a military official says.

President Donald Trump has already inundated the country’s immigration system with enough changes to create immediate impacts along the border and across American cities. Thousands of migrants trying to gain entry in the United States to seek asylum using the Custom and Border Patrol’s mobile app — set up by the Biden administration to deter migrants from crossing illegally — had their appointments canceled,