The beginning of specialization of labor in the early 1900s came about as a result of:

Specialization of labor came about as a result of demand for trade and economic growth in the industrial revolution era. Factory output, for example, could be increased by dividing the tasks up and this also meant less training was required for the workers as they would only focus on one task.

The rapidly growing population led to shortages of good farm land on which young families could establish themselves