<span>4.81 x 10^13 is the scientific notation
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The main cause of World War I was actually a wrong turn. The assassination of Archduke Franz Ferdinand in Sarajevo on 28th June 1914, it triggered a chain of events that resulted in World War 1.
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So in short, the domino theory is an idea that neighboring countries will be effected by that country’s political ideology. This is most commonly used in context of the cold war, when the United States and Russia were competing for either Communism or Capitalism to be the used type of economic system. The United States government wanted to get involved with the Vietnamese war because they were afraid that if the Northern Vietnamese won the war, that the Southern Vietnamese would become communist.
<span>During the Cold War, the US did everything it could to stop the spread of Communism. It believed at that time in the 'Domino Theory' that if one country fell to Communism, all countries in the area would do so.
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