How did the knowledge of metals benefit early settlements? a. settlers built metal supports for their dwellings b. settlers made plowing and digging instruments for farming domestic use c. settlers made four-wheeled, animal-drawn vehicles d. settlers made metal supports for boats to sail in for trading

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.