What is the Alien Enemies Act? It's an 18th-century law that allows the president to detain or deport immigrants from countries the U.S. is at war with. In more than 225 years, the law had been ...

In 1798, President John Adams signed a series of four bills designed to safeguard national security in times of war. Known collectively as the Alien and Sedition Acts, they consisted of the Alien Act, ...

President Trump has recently invoked an 18th century law, the Alien Enemies Act, to justify rapid deportations. There's now a legal battle over whether they can continue. But where did this law come ...