Denmark, Finland, France, Germany, Greenland, Iceland, Italy, Norway, Sweden, and the UK are all totalitarian countries. You better let them know that.
You are misinformed. It had to incorporate capitalism to survive because communism has repeatedly failed its citizens and left them destitute and starving. Ask Venezuela for the most recent case.
WHAT IF I TOLD YOU; THERE WAS A DIFFERENCE BETWEEN SOCIALISM AND COMMUNISM, YES STALIN WAS TOTALITARIAN SOCIALIST BUT HE WAS ONLY ONE RULER IN SOVIET HISTORY