With the rise of a Nuclear Soviet State, the United States was auditing it's own internal defense capabilities.
One critical point was the size of the United States and the time it could take to move forces from one point to another in times of war and emergency.
Even within the United States, there was a rise in communist parties which were slowly becoming a threat.
The Interstate highway act not only produced economic benefits to stop the rise of communism in the United States, but also provided nation-wide infrastructure to smoothly and quickly move forces across the country.
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DuBois believed that trade colleges such as the Tuskegee Institute would bring about equality and believed that education and vocational training would bring about equality while Washington believed that a liberal arts education would bring about equality
During the High Middle Ages in Europe, thousands of trees were cleared to make way for agriculture and create new fields for farming. Agriculture was impossible with their dense woodland, so they need to clear it — giving way to a new type of livelihood.
This belief pushed the Native American more westward and more southward. this impacted them negatively because they were pushed off their land. the natives lived on the land before the Americans came.but the Americans went to war with the natives, trying to wipe them out to fulfill their "manifest destiny", and have a nation from sea to sea