Answer:
invansions by barbarian tribes
the most straightforward theory for the western rome collaspe pins the fall on a string of miltary
Sometimes they figure out how to build better shelters or learn better farming and hunting techniques for the environment they live in
The east coast, or the northeast.
Japan's government is Unitary State, Parliamentary System, and Constitutional Monarchy.
I hope this helps! :)
Answer:
it is the last option
Explanation:
because USA wanted to be a spectator of the war