Built during the great depression, hoovervilles were

soup kitchens where people could get free meals.
places people could go to find temporary work.
emergency shelters to keep people safe during dust bowls.
shantytowns of temporary homes for homeless people.

D - Shatytowns of temporary homes for homeless people were Hoovervilles.

Hooverville's were named after President Hoovers since he was the US president at the start of the Great Depression.

congress failed to remove johnson. but it did succeed in getting control of efforts to re-build the south following america's civil war. radical republicans wanted to punish the south for starting the war. they also wanted to be sure new governments in the southern states would support the republican party.