This was known as the "iron curtain." It was a term used to describe the boundary in Europe, which formed at the end of WWII and lasted until the ending of the Cold War.
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The War of 1812 had an impact on getting the Industrial Revolution started in the United States. After the war, people realized that the country was too reliant on foreign goods. They felt that the United States needed to make its own goods and to build better transportation.
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