What role does state sovereignty play in modern international relations?

State sovereignty is a fundamental principle in modern international relations that emphasizes the authority and autonomy of a state to govern itself without interference from external actors. This concept is rooted in the idea that each state has the right to determine its own domestic policies, practices, and governance without outside intervention. This principle is crucial for maintaining order and stability within the international system, as it provides a framework for interactions between states, ensuring that their rights to self-determination and self-governance are respected.

The importance of state sovereignty is especially evident in the context of international law and diplomatic relations, where respect for a state's sovereignty is paramount. It serves as a basis for establishing peace and commerce between nations, preventing violations of territorial integrity, and establishing norms regarding diplomatic conduct.

The other options present ideas that either contradict or don't align with the core principle of state sovereignty. For instance, external intervention in a state's internal affairs challenges the very essence of sovereignty, while the promotion of global governance frameworks may imply shared authority, which can be at odds with absolute state sovereignty. Similarly, the idea of dissolving national borders runs counter to the concept of sovereignty, as it suggests a loss of control and autonomy for states.