Role of the nation state and sovereignty in world order.

• A. It has no role.
• B. It asserts sovereignty and participates in international relations.
• C. It is replaced by NGOs.
• D. It only signs treaties but does not participate.

Answer: (B)

The role of the nation-state and sovereignty in world order is that the nation-state asserts sovereignty and participates in international relations. Sovereignty means the state has the supreme authority within its borders and the capacity to conduct its own foreign and domestic policies. Because of this, it actively engages with others through diplomacy, negotiates and implements treaties, participates in international organizations, shapes global economic and security arrangements, and responds to global issues within its legal framework. NGOs can influence international affairs, but they do not replace the state's authority or responsibilities. And a state’s involvement goes beyond merely signing treaties; it includes enforcement, policy decisions, and ongoing diplomatic engagement. So the best description is that the nation-state asserts sovereignty and participates in international relations.