Answer:
Some major Stalin´s actions in 1945-49 were:
- Soviet armies sent to liberate Eastern Europe from the Nazis in WWII stayed and occupied those countries, turning into a factor of political control and pressure;
- the Berlin blockade of 1948;
- controlled elections to put communist candidates in office in Czechoslovakia and other nations;
- active support for communist armies in China, a major factor in their victory in 1949.
Step-by-step explanation: