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.

explanation:

the president, prime minister, chief justice, speakers and ministers take their oath of office. the oath is taken in bengali

on november 6 and 7, 1917 (or october 24 and 25 on the julian calendar, which is why the event is often referred to as the october revolution), leftist revolutionaries led by bolshevik party leader vladimir lenin launched a nearly bloodless coup d'état against the duma's provisional government.