no
Stalin was not an emperor and did not have an empire. He was the leader for many years of the USSR
Moscow, USSR, 1930-1950
To industrialize and modernize the USSR.
Franklin Delano Roosevelt and Harry S. Truman .
Yes, the Japanese empire proved a large threat to the USSR. However, when they invaded, they were quickly driven back.
Georgy Malenkov ruled the USSR for 2 years after Stalin's death and before Khrushchev took over. He ruled from March of 1953 to February of 1955.
international isolation
it helped them win the war. were it not for the Nazi racial policies, many of the countries in the USSR would have joined the Nazis and the USSR would have lost the war.
The US and the USSR benefited from captured German rocket technology and rocket scientists, which they used for both space exploration and ballistic missile arsenals.
Soviet Union was rising each five years on the five year plan. That was called as 'pyatiletka' ("пятилетка" in Russian), 'fiveyearing'. That 'pyatiletka' was a plan for each five years in USSR till the fall of USSR.
peristroika
They were aimed at getting Soviet technology and infrastructure up to being on a par with Western standards, and to equal (if not exceed) the USSR's industrial and agricultural output with that of the West.