Relationship of international law and municipal law — Conduct of foreign relations — Recognition of States and governments — Conclusiveness of recognition by the Executive — Extinction of State during proceedings — Discretion of United States courts to suspend proceedings pending recognition of successor State

States — Extinction of States — Effect in municipal law — Republic of South Vietnam — Conquest by North Vietnam — Effect on ability to maintain action in United States courts

States — Recognition — Effect of recognition and non-recognition — Effects in law of recognizing State — Extinction of State during proceedings — Non-recognition of successor State — Discretion of United States courts to suspend proceedings pending recognition of successor State

Recognition — States and governments — Conclusiveness of recognition by Executive — Effect in municipal law — The law of the United States