Question

What do you mean by nation states? How did they emerge

Answer 1

Most commonly, the idea of a nation-state was and is associated with the rise of the modern system of states, often called the “Westphalian system” in reference to the Treaty of Westphalia (1648). ... The most obvious impact of the nation-state is the creation of a uniform national culture through state policy.

Answer 2

Answer:

Most commonly, the idea of a nation-state was and is associated with the rise of the modern system of states, often called the “Westphalian system” in reference to the Treaty of Westphalia (1648). ... The most obvious impact of the nation-state is the creation of a uniform national culture through state policy.