Royal Geographical society asked him to East Africa and try to determine the source of Nile River (find navigable river that opened center of Africa to European commerce + Christianity
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<em>after the 1929 stock market crash, the Hoover administration attempted to mitigate the negative effects of the Great Depression but was unable to significantly improve the economy</em> (Kahn academy) He made work for people after the great depression, and he made the hoover dam, to make work for people.
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