I believe that the answer is Mesopotamia, China, Egypt, and India.
Challenges of living in Hoovervilles - The woman has no running water. The woman has to complete chores like washing and cooking without having access to a kitchen.
Hoovervilles were not pleasant places. The shacks were small, poorly constructed, and lacked bathrooms. They weren't very warm in the winter and didn't always keep the rain out. The towns' sanitary conditions were deplorable, and many residents lacked access to safe drinking water. A "Hooverville" was a slum areas town built by the poors in the USA during the Great Depression. They have all been named after Herbert Hoover, the President of the United States at the time of the Great Depression and widely blamed for its onset. Charles Michelson coined the phrase.
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Choice A is wrong because only 26 presidents have served in the military.
Choice B is wrong because not all presidents have been governors.
Choice D is wrong since James Buchanan and Grover Cleveland were not married.
Therefore, Choice C is the correct answer.
John F. Kennedy was the U.S. who got blamed for the Vietnam War.