The Iron Curtain represents: A. the divide between Eastem and Western Europe
B. another name for the Berlin Wall
C. Stalin's term for the buffer states
D. the name for the Soviet defense system

After the success of the sputnik launch, the united states feared that they would never be able to launch their own satellite, the ussr had used technology developed by the united states, the soviets had superior nuclear capabilities, that any future us satellites would not be as successful.