This summary provides an overview of three public international law cases:
1) The Schooner Exchange v. M'Faddon established the principle of absolute sovereign immunity, holding that France had absolute immunity against claims by US citizens over a seized French warship.
2) Argentine Republic v. Amerada Hess Shipping Corp. held that the Foreign Sovereign Immunities Act (FSIA) provides the sole basis for suing foreign states in US courts and no exceptions applied in this case of attacks on a ship in international waters.
3) Banco Nacional de Cuba v. Sabbatino upheld the Act of State doctrine, preventing US courts from reviewing the validity of a foreign state's actions