4. Why did the Soviet Union form the Iron Curtain?

Why did the outbreak of world war 2 create a need for new military bases across the country?

Which region of the united states was characterized by increasing into duction a large immigrant population in growing cities in the early 1800

Why would southern delegates to the constitutional convention have opposed the three-fifths compromise? a) they feared that the president would eventually become "king" in the united states. b) they believed it would be insufficient in protecting the united states from invasion. c) they opposed the creation of a congress that would give states an equal number of senators. d) they wanted their full population of slaves to be counted for purposed of congressional representation.