Which statement is true about military service in the united states?
a. all citizens must complete military service or an alternative.
b. military service is strictly voluntary.
c. all males between 18 and 25 must register for a potential draft.
d. all citizens must register for a potential military draft.

C - All males between 18 and 25 must register for a potential draft.

Males between the ages of 18-25 are still required to register so a draft can quickly be put in place if needed, but the military service in the US is strictly voluntary at this time.

theodore roosevelt challenged william to a duel, whoever won, got their policy sent to congress. it ended up in a stalemate, and both men were injured and sent to the hospital.