I think you mean the Golden Spike which is the ceremonial final spike driven by Leland Stanford to join the rails of the First Transcontinental Railroad across the US connecting the Central Pacific and Union Pacific railroads in 1869 in Promontory, Utah.
Answer:
c
.As a way to have further distance and a barrier of safety between the communist east and capitalist west in Europe.
Explanation:
Stalin's main motive for the creation of Soviet satellite states in Eastern Europe was the need for security. When the war ended, the Soviet Union was the only Communist country in the world and Stalin believed that Western countries were bent on destroying it.