Answer: Both groups filled jobs left behind by soldiers.
Step-by-step explanation:
World War I left deserted industrial plants across the country. A large number of young men and men went to war. In such circumstances, someone had to work in industrial plants. A large number of women and the African-American population are employed in industrial plants. Most of them were employed in military-industrial plants where everything needed for the war was produced. However, there were Afro-Americans in the army who served as soldiers, but also women who worked in military kitchens and hospitals.