Pay attention to some of the things you see and hear.

You will see and hear a Sheriff say to buy as many guns and ammunition because they are coming, that your mail box with blue dot sends you to camps.
Also many interesting news clips.

~FEMA~ camps prepared to hold 50 million!

Wow. That was really something. The end made me very sad, which is why I never watch war movies. It's not something anyone should have to experience, real or otherwise. I hate to think that's what our world is going to look like but I've seen the previews.