Rome became the capital of the kingdom of Italy after
A. Mazzini's revolution in the city was successful
B. the pope agreed to Rome joining the kingdom
C. Germany sent troops to help conquer the city
D. French troops were withdrawn from the city

a.

congress passed laws allowing for free passage between states.

d. it gave farmers a way to organize for more political power

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