The law is pretty clearly about a literal invasion or military incursion, not a metaphorical "invasion". If the Alien Enemies Act was designed for transnational

The law is pretty clearly about a literal invasion or military incursion, not a metaphorical "invasion". If the Alien Enemies Act was designed for transnational crime, then it would not be an emergency law - it could be invoked at any time for a whole host of countries.