List the four main causes of world war 1 ranking from 1, being the cause that had the biggest impact, to four, being the cause that had the least impact. explain your answer/rankings in paragraph form, making a brief argument for why you think one cause had a bigger impact than the other cause.

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.