Answer: Westward Expantion
Explanation: Everyhting else eother didn’t happen at that time, or doesent make sense in that area.
There were six Soviet missiles and jet bomber bases, they were installed in San Cristóbal, Candelaria, Guanajay, Sagua la Grande, Remedios, and Santa Clara.
While the Marshall Plan was, in part, created to stop the spread of communism, the Molotov Plan was there to encourage it. Money from the Soviet Union could be used to prop up nascent communist states in a similar way that the money from the Marshall Plan was attempting to rebuild western-style democracies.
The Yalu River also known by Koreans as the Amrok River or Amnok River. It is a river on the border between North Korea and China.