-FACTORIES ARE USUALLY IN CITIES. FARMS ARE IN VERY CARELESS __R...

1882. - 1926 CAU HOI TN ON THI TSDH VA TN THPT
1926 CAU HOI TN ON THI TSDH VA TN THPT
1882. -Factories are usually in cities. Farms are in very careless __rural__ areas. very harmless in the city