Select 3 factual statements related to the death of Stalin:
a) Many historians believe Stalin may have been poisoned.
b) Stalin's death led to the Communist Party to split and cause a Second Russian Civil War.
c) When Stalin died, Beria and two others took his place and approved a cease-fire in the Korean War.
d) Stalin suddenly passed away.
e) Stalin's heir took his place. From this point on, the Soviet Union became a new tsardom; a new Russian Empire.