Why would a writer from the abbasid empire comment on features of indian culture and technology?

Who gave one of the earliest accounts of the topography and tribes of the great plains?

The map shows information about river valley civilizations. which feature of this map best the reader determine the distance between two places?

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.