...begging. A treaty can govern both territorial and
extraterritorial matters. According to SCOTUS, federal statutes generally cannot govern
extraterritorial matters because this would violate international law's comity presumption against the
extraterritorial effect of national legislation. The only way federal statutes can have
extraterritorial effect is if international law (e.g., a treaty) allows it. Therefore, the authority of a federal statute to have
extraterritorial effect is based on international law (e.g., a treaty). Treaties, on the other hand, do not rely on the authority of federal statutory law to have territorial...