Ethnic Crisis and Resolving of Ethnic Relations in Context of a National State in Iran

The regulation of a just relations between state and ethnicities has been a critical challenge in history. So this is a main problem that how we can have an ethnic integration in form and within of Iranian nation? The hypothesis is that the historical coexistence among Iranian people is the richest source of integration and nation-building in contemporary Iran. According to researcher finding Iranian people can relaying on civil nationalism can make an integrative society by preserving diversity and different life style. So diversity in Iran is a challenge not a strong source of fragmentation that we can see in other countries of Middle East.