Amain indicator of the spread of homelessness during the great depression was
bread lines.
westward migration.
hoovervilles.
unemployment.

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.

it would be  

germany had to pay all damages related to the war.

and i think

germany had to take sole responsibility for the war.

the speech revealed that eastern european countries were no threat to their neighbors, which led to the creation of the truman doctrine i think this might be correct.