How did the first nation states develop and on what continent did most of them form?

For most people, the nation existed first, then nationalist movements arose for sovereignty, and the nation-state was created to meet that demand.  Most theories see the nation-state as a modern European phenomenon, facilitated by developments such as state-mandated education, mass literacy, mass media, and even including print.

There is the first part I'm a little stuck on the second part. ^

john locke is most associated with the idea of consent of the governed which is the idea that the government is only valid if it has the consent of the people who are being governed.

hope this

to protest slavery i would think it would be a