Which of these events happened when the united states dropped the first atomic bomb? a. the formation of the iron curtain was announced. b. the soviets honored their promise to declare war on japan. c. the united states established a containment policy. d. japan surrendered.

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.