Define modern state?

A modern state is a political entity that has a defined territory, a permanent population, a government, and the ability to enter into relations with other states. It is characterized by a centralized authority that exercises control over its territory and population, enforces laws, provides public services, and represents its citizens in the international community. Modern states are typically organized as nation-states, where the government's authority is derived from the consent of the governed and is based on principles of democracy, rule of law, and human rights.