21. how did keynes propose to solve the problem of high unemployment? (1) increase the growth rate of the money supply. (2) allow wages to decline, so that firm

21. How did Keynes propose to solve the problem of high unemployment? (1) Increase the growth rate of the money supply. (2) Allow wages to decline, so that firms will want to hire more workers. (3) Put on wage and price controls, so wages won't rise and firms won't have to lay people off to cut costs. (4) Have the government increase its demand for goods and services.