EMP will hit the US and the Government knows it.

The military, for the most part, will be stuck overseas.

They have created fear about gun control.
This has ensured that everyone is armed and loaded with ammo.

Anyone tries to invade, they have the military and an armed population to deal with.

Government has been stocking up on food to supply the fighters.

It will still descend into chaos initially, but the people will unite against a common threat.

CROW