It is false that Communism was the dominant economic force of the twentieth century, although it certainly overtook a great deal of territory. Capitalism was still overall dominant.
Positive effects it gave us a way to spread our political beliefs. But at the same time it made people start fights because they did not feel the same about certain things so it created conflicts against people. But the good part about it is that it created a way people could spread their political beliefs and share their thoughts with others.
Topographic map to find the elevation of an area
