For a time in the 1970s, the terms survivalist and retreater were used interchangeably. While the term retreater eventually fell into disuse, many who subscribed to it saw retreating as the more rational approach to conflict-avoidance and remote "invisibility". Survivalism, on the other hand, tended to take on a more media-sensationalized, combative, "shoot-it-out-with-the-looters" image.
For global catastrophic risks the costs of food storage become impractical for most of the population  and for some such catastrophes conventional agriculture would not function due to the loss of a large fraction of sunlight (e.g. during nuclear winter or a supervolcano). In such situations, alternative food is necessary, which is converting natural gas and wood fiber to human edible food.
North Korea (DPRK) is one of the world's most impoverished nations. Yet it supports a huge Army and Air Force, a growing Navy with missile submarines, and a rapidly developing nuclear weapons program and ICBM production. How does it support itself and especially its attempt to dominate the Asian region and threaten the USA? International organized crime... And that opens up a whole can of worms for U.S. security. Canine Security: Which Dogs Make the Best Guard Dogs? Which Dogs Attack?
Make sure your emergency kit is stocked with the items on the checklist below. Most of the items are inexpensive and easy to find, and any one of them could save your life. Headed to the store? Download a printable version to take with you. Once you take a look at the basic items, consider what unique needs your family might have, such as supplies for pets, or seniors.
DIY home surgeons will be excited to know epinephrine can actually be used with lidocaine (a numbing agent) to restrict blood vessels for faster wound repair. (Note: Cracked in no way condones performing self-surgery.) When sanitization resources become limited, the speed with which a wound can heal will have a drastic impact on survival rates. The longer a wound stays open and bloody, the more likely you are to get infections. Infections have historically been some of the most deadly and difficult-to-treat medical conditions, and even today they are not always easily survivable.
The present disambiguation page holds the title of a primary topic, and an article needs to be written about it. It is believed to qualify as a broad-concept article. It may be written directly at this page or drafted elsewhere and then moved over here. Related titles should be described in Survival, while unrelated titles should be moved to Survival (disambiguation).