Relationship of international law and municipal law — Conduct of foreign relations — Military assistance to foreign governments in south–east Asia — Funding — United States Constitution — Requirement of lawful appropriation of Treasury funds — Whether military assistance unlawful — Whether justiciable question — Political question doctrine

War and armed conflict — south–east Asia — Provision of military assistance to governments in south–east Asia by the United States — Whether military assistance lawful — Relationship between powers of United States courts, Congress and Executive — The law of the United States