Attacks from barbarian tribes outside of the empire such as the Visigoths, Huns, Franks, and Vandals. The Roman army was no longer a dominant force. The empire became so large it was difficult to govern.
Answer: Southern conservatives
Explanation:
Southern conservatives had control of the political sector for over fourty years but this became that of the past
Answer: the U.S.A
Explanation: After ww1 soldiers started coming back from the war and spread it very quickl.