What is true about the fall of the Roman Empire?

Overexpansion, military overspending, rise of the Eastern Empire, economic troubles and overreliance on slave labor, invasions of the Barbarian tribes, government corruption and political instability, arrival of the Huns, weakening of the Roman legions, Christianity and the loss of traditional values.

Explanation:

c) troops march forward in close formation against newer, more accurate weapons

the american colonists were happy with their vicorty, but the french were mad and the french and indians were not alies, and neither were the french and colonist. i think,