State immunity — Jurisdictional immunity — General principles — United States Foreign Sovereign Immunities Act 1976 — Commercial activity exception to immunity — Whether conferring jurisdiction upon United States courts in action between foreign corporation and foreign State — Connection between action and the United States — Whether Act compatible with United States Constitution — Evolution of law relating to sovereign immunity — Whether grant of immunity a matter of comity

States — Federal States — United States of America — Conduct of foreign relations — Powers of Congress — Whether Foreign Sovereign Immunities Act 1976 a legitimate exercise of power by Congress to vest jurisdiction in federal courts — The law of the United States