Which amendment to the constitution ended slavery in the united states? a. thirteenth amendment b. fifteenth amendment c. twenty-third amendment d. seventh amendment

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.