摘要:The Sovereignty of the State provides the rights of protection responsibility for the sovereignty of its people, respecting and fulfilling its citizens' rights and cooperate on the international community. However, in certain dispute, the Sovereignty of the State was violated by the internal member of the state, particularly by a military and paramilitary member on the case of Nicaragua vs. the United States. This study examines the use of force by military and paramilitary members as a mean of self-defense. The use of force has violated the state sovereignty and international law on the relation of both countries. The study was conducted by researching relevant decisions and facts of International Law, customary international law, general principles of law, international treaties, conventions, declarations and decisions of international organizations. By using the study materials, in the end, it can be seen how the concept of Sovereignty of the State in International Law.