The correct answer is - Hoovervilles.
The infamous Hoovervilles were built in the period of the Great Depression, in the United States. They got their name after the president in charge at that time, President Hoover. Basically, the Hovervilles were places built by the government, which were composed of lot of very small shelters, and their purpose was to give roof over their heads to the homeless people in the United States, but on a temporary basis.
