Answer:
Direct democracy works best with small populations.
Answer:
invansions by barbarian tribes
the most straightforward theory for the western rome collaspe pins the fall on a string of miltary
Nation's credit. Fiat currency is a currency like the Dollar or Pound, where a government says it has value, it's not something that does actually have value like gold or silver. The value is determined based on the nation's credit.
Japan adopted Buddhism and central government from China.
Answer: providing a model of representative government
Explanation: I just answered this question and got it right.