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In what year did vladimir lenin and the bolsheviks seize power in russia? 1885 1900 1917 1961

Which event was the main reason for the announcement of the quit india movement? what were the results of the movement?

The factory system of the early-19th century caused a) a decrease in farm production. b) an increase in rural population. c) an increase in urban population. d) high unemployment in other areas.