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, ...

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 ...