It’s no accident that immigration has been so central to Donald Trump’s first days as president, as he works to make good on an issue that has defined his political career. | Julia Demaree Nikhinson/AP 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.

The president has issued directives to expedite the removal of millions of undocumented immigrants from the U.S., which has immigrant groups bracing for raids.

M ore than any other country, Donald Trump went after Mexico on his first day in office. He ordered its criminal gangs to be designated as foreign terrorist organisations (FTOs),

President Donald Trump’s plans to seal the U.S.-Mexico border and conduct mass deportations might soon run into a major roadblock: Mexico and the countries where the immigrants come from might not accept some of them back.