"what made the event depicted in this photograph significant?
a) it marked an opening of diplomatic relations between china and the u. s.
b) it was the first time the chinese govt. had visited the u. s.
c) it allowed the chinese and americans to sign an important peace treaty.
d) it fully normalised relations between china and the u. s. "

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.