What are the reasons why the Western Roman Empire disintegrated?

1. Invasions by Barbarian tribes.

2. Economic troubles and overreliance on slave labor.

3. The rise of the Eastern Empire.

4. Overexpansion and military overspending.

5. Government corruption and political instability.

6. The arrival of the Huns and the migration of the Barbarian tribes.

Explanation:

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d. the right to establish a one-house legislature

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