What does the author mean when he writes that the race for the white house is about to enter an important stage . why is the stage important

What do you think was a drawback to this method of calculating distance

After ww2, the soviets began setting up what type of governments in countries closest to them

Which of these did the soviet union do in 1961? it built a wall through berlin to keep people from moving to the west. it used force to destroy a wall the united states had built in berlin. it convinced the british and french to merge their zones in berlin with the soviet zone. it threatened to bomb berlin if the united states did not leave within 30 days.