What is the reason that not everyone has as much freedom as wanted? Example, countries like China etc

What was the difference between marx view of communism and the actual implementation in russia? a. there was no difference between the marxist communism and russian communism. c. marxist view was not interested in the government controlling business while in russia, everything was controlled by the government b. marxist view was focused more on economic control while russia focused on taking complete controlled of everything. d. marxist view believed that the government controlled everything without questions while russia moved more towards a mixed economy.

Which of these was an accomplishment of the han dynasty? the invention of the seismograph finding a water passage to europe the invention of the ballpoint pen the invention of the abacus

6. how are goods and services distributed in a free market system?