Final answer:
During times of war, many armies recruit men and women to join their military forces through methods such as conscription laws, volunteer recruitment campaigns, or draft programs.
Step-by-step explanation:
During times of war, many armies around the world recruit men and women to join their military forces. This can be done through various means such as conscription laws, volunteer recruitment campaigns, or the use of draft programs. For example, in the United States during World War II, recruitment efforts expanded to include African Americans, women, Native Americans, and Japanese Americans. Other countries like Russia and France also had compulsory military service, requiring men to serve in the military.