Because they were big events in history that made today be today ;)
The soviets lured the Germans farther into Russia, where Germany encountered massive supply shortages, as well as extremely cold weather they were unequipped to deal with
To keep people from breaking rules and to keep our world in a good place
The Monroe Doctrine was introduced in 1823 and had a lot of fascinating points. Two of the major points were, Europe could not interfere with countries in the Americas and the United States could not interfere with Europe. This played a huge part in the Western Hemisphere as Presidents would always invoke the Doctrine during foreign affairs. The most recent example, President Reagan used the Monroe Doctrine to fight and stop communism in the Americas.
