A lot of people have dreams about falling, so we are going reveal what these falling dreams are really about! There are two types of falling dreams; the first one is where you are just drifting off to sleep and you think you are still awake and all of a sudden your body jerks and you wake up. This is physiological glitch taking place.
World Systems Theory. The world systems theory, developed by sociologist Immanuel Wallerstein, is an approach to world history and social change that suggests there is a world economic system in which some countries benefit while others are exploited.
The Domino Theory. The Domino Theory was the belief that communism was an aggressive, expanding imperialism that would spread from one country to the next, until it dominated the world. This idea shaped US and Western foreign policy during the Cold War, particularly with regard to Asia.