How did the increasing power of military leaders help bring about the end of the republic?

A.
The military leaders freed the slaves that worked in the mines.

B.
The military leaders refused to help the poor in the cities.

C.
The military leaders began to get more loyalty from soldiers than the government did.

D.
The military leaders forbade the poor from serving in the military.

C. The military leaders began to get more loyalty from soldiers than the government did. Military leaders like Julius Caesar and Pompey the Great were able to gain the loyalty of their troops through successful military campaigns, making them more powerful than the government and ultimately leading to the end of the Roman Republic.