1) Doomsday scenario 
Survivalism is a movement of individuals or groups (called survivalists or preppers) who are actively preparing for emergencies, including possible disruptions in social or political order, on scales from local to international. Survivalists often acquire emergency medical and self-defense training, stockpile food and water, prepare to become self...[Nine Inch Nails song] The Winner title screen. ...
(from the article `militia movement`) ...each state. As new private militias trained and armed themselves, however, they increasingly adopted overtly antigovernment policies. During the ...