The Dust Bowl Days is your answer
The Dust Bowl was a period in history known for the destruction of the plain lands (Central USA and westward), which led to large amounts of people to go to California in hopes of starting a new life.
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Answer:
James Madison is the main author of the constitution
Because of hitler mostly but hitler did not make the holacaust alone
Andrew Carnegie and others such as John D. Rockefeller created monopolies on the industries in the area. for example Carnegie steel was a company which had built up millions due to overulling the steel that was used for railroads, nails, etc for most of the country.