The Alien Acts included a Naturalization Act, which increased the required period of residence to qualify for citizenship from five to fourteen years, and the Alien Act, which granted the President the legal right to expel any foreigner he considered “dangerous.”
John Adams by David McCullough, Simon & Schuster (2001) at 504-505.
There was rampant fear of the enemy within. French emigres…now number 25,000 or more… . In addition to the French there were the “wild Irish,” refugees from the Irish Rebellion of 1798 who were thought to include dangerous radicals and in any case, because of their anti-British sentiment, gladly joined ranks with the Republicans.
ibid. at 505
Uncle Sam Needs YOU!…You!…and you, come on in and fight for us! Let’s talk about your future soldier!