Which are steps taken by the first emperor of a united china to unify the country and solve its problems? choose all answers that are correct. a. forced peasants to pay their taxes in coins instead of crops b. built network of roads and canals c. established a national religion d. standardized currency.

Which statement best describes how the cotton gin affected cotton farming. a. the cotton gin dramatically decreased cotton production. b. the cotton gin enabled farmers to grow better cotton. c. the cotton gin required farmers to use more enslaved laborers. d. the cotton gin dramatically increased production