The Law of Nations or the Principles of Natural Law (1758)Emmerich de Vattel General Principles of the Duties of a Nation Towards Itself§ 12. The objects of this treatise.§ 13. A nation ought to act agreeably to its nature.§ 14. Of the preservation and perfection of a nation.§ 15. What is the end of civil society.§ 16. A nation is under an obligation to preserve itself.§ 17. And to preserve its members.§ 18. A nation has a right to every thing necessary for its preservation.§ 19. It ought to avoid every thing that might occasion its destruction.§ 20. Of its right to every thing that may promote this end.§ 21. A nation ought to perfect itself and the state.§ 22. And to avoid every thing contrary to its perfection.§ 23. The rights it derives from these obligations.§ 24. Examples.§ 25. A nation ought to know itself.