How did the soviet union maintain control of east germany after world war ii?

Which of these were effects of mass production techniques used during 1920s

What was one major cause of worldwide conflict during the first decade of the 21st century?

Which of the following statements about slavery is not accurate? a. slavery in the americas was no different than slavery in ancient greece or rome. b. beginning in the 1600s, slaves began to be viewed as property, rather than people. c. slavery did not originate in the americas. d. slavery was very important to the economy of the american colonies.