There was no world war 112
Persians and Byzantines were already weak from fighting among themselves. <span />
A. wartime labor shortages. The outbreak of World War II led to many
Americans enlisting to fight overseas.
As a result, there was a shortage of labor. Women and minorities including Mexican
Americans were employed at factories to supply the army for the war effort.
Some Mexican Americans enlisted and fought in the U.S. army.
Increasing the amount of well nourished workers for the factories during the industrial revolution