Answer:
To try to strengthen the Soviet economy
Explanation:
The Soviet's didn't surrender to America. They called for peace after the US started shifting its relations to China. USSR felt threatened and eventually they both agreed to cut on weapons.
The iron curtain refers to the Berlin Wall which separated Europe during the Cold War. This term symbolizes the efforts by the Soviets to block itself from the West.
A megalith is a large pre historic stone that has been used to build a structure or monument.
the answer is core region
