Answer: The United States Constitution and federal laws define military service as an obligation and one that can be constitutionally required of every adult (even non-citizens residents).
Step-by-step explanation:
I assume that this question is only about American Citizenship...
There are many rights and benefits available to all American citizens, which are accompanied by the responsibilities to serve, protect, and, (when necessary) defend our nation when called upon. Through a federally controlled draft program, citizens can be required to join the armed forces in times of war.
Mandatory US Citizen Duties & Responsibilities:
- Obeying all applicable federal and state laws
- Paying taxes
- Jury service when selected
- Registering with the selective service
Optional/Voluntary US Citizen Duties & Responsibilities:
- Voting
- Remaining informed and educated
- Involvement within the community
- Demonstrating tolerance and acceptance for other citizens
- Informing future generations