49. China's economy has grown quickly since 1975 because it has relied on public works projects to create jobs. True or False 30. Socialism tries to eliminate social classes to make all members in a society equal, giving the people as a whole control over their workplaces and farms. True or False 24. The U.S.-backed invasion of Cuba in 1961 failed to take power from Fidel Castro. True or False 15. In the Russian Civil War, the _____ , who were led by Lenin's deputy, Trotsky, defeated the Whites in 1920. 12. More than ______ African nations achieved independence between 1957 and 1977. .