Worth 10 points, and .. which phrase explains the main source of disagreement between the major political parties?

which citizens should be able to vote in national elections
what qualifications a citizen should have to run for office
which military branches the government should support
what the government should do and be responsible for

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.