The correct answer is "political leaders", or other elitist groups who lead a revolution including the population which they dominate.
The correct answer for this question would be the POPULATION. The states would dispute each other claims to western territories because of population. It is the key factor for this dispute because it means control in a democracy. Hope this is the answer that you are looking for.
Cultural, economic, religious and ethnic.
All nations have politics, which is a way of governing a sovereign territory. It doesn't necessarily exclusively identify a nation or make it special. Same goes for intellectual. It doesn't have a place on national identity.