The question ask to choose among the following choices that states the list of three barbarian tribes that threatened the Roman Empire in the fourth and the fifth century A.D. and based on my research, I would say that the answer among them is in letter D. Vandals, Ostrogoths, Huns. I hope this would help my firend
Answer: the Roman Republic had a system of checks and balances
Explanation: just answered this question correctly
