Treaties — Operation and enforcement — Enforcement of foreign arbitral award under treaty terms — Provision of treaty more restricted than common law remedies — Treaty acting to supplement, not to abridge, existing remedies — Treaty of Friendship, Commerce and Navigation, 1954 between United States and Federal Republic of Germany — The law of the United States

International law in general — Relation to municipal law — Treaty as supreme form of law in United States — Enforcement of foreign arbitral award under treaty terms — Provision in treaty more limited than common law approach to enforcement — Treaty acting to supplement and not to abridge existing remedies — Treaty of Friendship, Commerce and Navigation, 1954 between United States and Federal Republic of Germany — The law of the United States