I need the right answer. French revolution subject.​

How did the russian revolution impact world war i? a) the russians required the allied powers to come to their aid and defeat the radical groups. b) the russians pulled out from the war, enabling the germans to focus on the western front. c) the russians created new technological advancements that were used by the allied powers to win. d) the russians created a new communist government that aligned with the central powers instead.

Can someone me out with this , i'm putting 30 points on it

Which of these is a constitutional duty of the lieutenant governor of the state of georgia