How did the slavery that occurred in Africa prior to European contact differ from the slavery that occurred as a result of the trans-Atlantic trade system?

Acustomer uses goods and services to ?

Brainliestttme : ) -what reforms were made in communist china?

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.