What was the system of the "underground railroad? " a. a connection of farms where slaves could find work while migrating. b. the north-bound train that only slaves knew, but sang about. c. the system of escape routes and hiding places for runaway slaves. d. one slave would escape but leave pieces of clothing along the route for other to follow.

it's C. i'm positive.

although world war i began in 1914, the united states did not join the war until 1917. the additional firepower, resources, and soldiers of the u.s. to tip the balance of the war in favor of the allies. remaining neutral. when war broke out in 1914, the united states had a policy of neutrality.

he was in office from 1929 to 1933 and served as a reform governor, promoting programs to combat the economic crisis besetting the united states at the time. in the 1932 presidential election, roosevelt defeated republican president herbert hoover in a landslide.

explanation: