- You Tube: The Melian Dialogue.

- Wikipedia: Siege of Melos.

- US Senate: About the Senate & the U.S. Constitution | Senate Classes.

- What was the vote for ratification of the U.S. constitution in each of the states?

- What were the main arguments from the Federalists and Anti-Federalists for each state convention?

- Wikipedia: Realpolitik.

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