This is confirmed false.
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Answer:
The right answer here is a.
a. of pressure put on them by the westward migration of the Huns.
Explanation:
The Germanic tribes had a long, several-century history of conflict and interaction with the Romans. In the 4th century CE, hosts of a ferocious Asian nomad people, the Huns, were on the move from the east. They crossed the Volga river, attacked and vanquished the Ostrogoths in Eastern Europe. The Visigoths implored the Romans for sanctuary within the limits of the empire.
Based on the order of occurrence, the government used by rome during its history is :
1. Monarchy ( 753 - 509 BC)
2. Republic (509 - 27 BC)
3. Oligarchy (27 BC - 476 AD)
4. Dictatorship
hope this helps
By limiting government expansion, Harding helped create the economic dynamic that led to the Roaring 20's, a brisk period of economic growth