Who was ruling during the invention of the aqueduct?

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.

What event led to the progressive movement?

Which foreign policy initiative countered the spread of soviet influence by restricting the spread of communism? a. roosevelt corollary b. truman doctrine c. nullification proclamation d. good neighbor policy