Why did the Soviet Union assist east Germany in building the Berlin Wall in 1961?

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Explanation:

The Soviet Army moved three divisions closer to Berlin to discourage interference by the West and presumably to assist in the event of large-scale riots. From August 13-23, the Soviets and East Germans undertook a massive show of force in Berlin to stop the exodus of refugees to the West.

the war powers resolution (also known as the war powers resolution of 1973 or the war powers act) (50 u.s.c. 1541–1548) is a federal law intended to check the president's power to commit the united states to an armed conflict without the consent of the u.s. congress.

explanation:

#1 im pretty sure its a.