Question- what was their main economic activity. I need help read and answer the question plz

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.

The name for the compound with the formula cr2o3 would be written as a. chromium(i) oxide. c. chromium oxygen. b. chromium(ii) oxide. d. chromium(iii) oxide.

According to robert kennedy, how might the historian see 1962a. as a year of resistance by the southb. as a year of great progress in civil rightsc. as a year of rioting and violenced. as a year of resegregation