What role did marco polo serve in the mongol empire?

marco polo provided military tactics to genghis khan.

marco polo worked as an administrator for 17 years.

marco polo ran one of the khanates in the region.

marco polo wrote a book about kublai khan.

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.