Unfortunately I do not understand what 'ykoed' mean. If you will just specify what that means, I will answer.
Yes, he was.
Stalin
During Stalin's rule, many mothers told their children that he was the greatest thing to ever happen to Russia.
yes
No, he did not. There is a legend that Stalin did murder his father because he was brutish toward his son and Stalin fought back, but no one ever produced any proof that Stalin murdered his father. Cirrhosis of the liver was most likely what killed him, because Stalin's father became a drunkard and drifted in and out of his life.
Nope Stalin killed more than Hitler ever did.
I would say either Hitler, Stalin, Mussolini, or Castro.
Joseph Stalin was a leader of the Soviet Union. Karl Marx was dead before the Soviet Union was ever formed.
Joseph Stalin
Of course - ever since Stalin times Russia has been an industrial country.
Yes, in effort to stomp out Jewish culture he had the Judaica collection in the library of Birobidzhan burned.
It is subjective to determine who the worst human being ever was as opinions vary. Individuals often cited for extreme atrocities include figures such as Adolf Hitler, Joseph Stalin, and others responsible for massive human suffering and loss of life.