Which of the following in NOT true of United Statesfarmers in the nineteenth century?
A.They lost some jobs because of mechanization
B.They were unable to produce sufficient food for urban areas
C.They raised their productivity by using new machinery
D.They sold food to European countries
A.They lost some jobs because of mechanization
B.They were unable to produce sufficient food for urban areas
C.They raised their productivity by using new machinery
D.They sold food to European countries
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Hóa Học lớp 12
