Giving brainliest to CORRECT answer.

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.

according to my calculation, the answer is d.

to tell the truth it is a mix of the a and d because after the romans argued among themselves outside forces took control however it is mostly d.