The U.S. deported hundreds of immigrants after President Donald Trump invoked the Alien Enemies Act for the first time since World War II.

In a 226-year span, the Alien Enemies Act of 1798 had been invoked only three times — until now. President Donald Trump fulfilled a campaign promise to use the wartime act as a shortcut to deport suspected members of a Venezuelan gang, according to an executive order signed March 15.

The Alien Enemies Act of 1798 gives the president wartime powers to deport undocumented immigrants with little to no due process.