Which statements correctly define factors that contributed to the decline of the Roman Empire?


Choose all answers that are correct

A.A long period of peace throughout the empire led to a sense of overconfidence in Rome.

B.Rome could not grow enough food and maintain a large enough army to fend off barbarian tribes

C.The empire split into three separate units, each ruled by a consul.

D.Incompetent rulers placed huge tax burdens on the Roman citizens