Which event came first in U. S. history?

A) the polio vaccine was created

B) construction began on the first Levittown

C) WWII ended

D) president Eisenhower signed the Federal-Aid Highway Act

C) WWII ended

Explanation:

A) The polio vaccine was created in 1955

B) Construction began in 1947

C) WWII ended September 2, 1945

D) President Eisenhower signed the Federal-Aid Highway Act on June 29, 1956

for hobos it was a very hard time most hid on the sides of the railroad tracks causing people to get bulls and get them off sometimes causing in fatal death they couldnt get people to give them money because the   people were also in need of money

what is the full question?