Amajor reason for the decline of the roman empire was

One reason for the decline of the Roman Empire was the war and fighting of the Greeks and it was causing many problems.

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answer: a federal government has final authority on interstate/inter provincial  and international affairs, a confederation is one where the central/national government or authority is governing body what does not have final say over the same matters. hopefully this and i will try again if you don't like this answer : )

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