The Text Notes That Vespasian Strengthened Discipline in the Roman Army

The text notes that Vespasian strengthened discipline in the Roman army by

A) establishing the death penalty for disobeying a higher-ranking officer.
B) stationing troops away from their homelands and rotating officers from one post to another.
C) ending the recruitment of soldiers outside the city of Rome.
D) increasing soldiers' rations.
E) eliminating inhumane treatment of the rank and file troops.