What type of government did the roman empire utilize?

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.

Respond fast need this answer asap still need to do about 3 pages of work to turn in tomorrow it be 2: 26am here

In what way did expansion and global trade during the 15th to 18th centuries affect the economies of european countries