Why can't you have entrepreneurship in a communist country?

I’m annoyed but glad that my history teacher left and quit her job as a teacher to become a flight attendant

What was the most common destination for african american migrants between 1910 and 1930

Why might collective bargaining fail, causing a union to go on strike? a the union agrees with the boss about wages. b the boss compromises about work hours. c the factory goes out of business, causing the workers to lose their jobs. d the boss refuses to address dangerous working conditions in the factories.