There is a third shield to protect from the invader. Iran is a multi-ethnic country, which means that there is not only one nation. There are also different tribes including Persians, Azeri, Kurds, Arabs, Baloch and Turkmen. When the people of any country are made up of different nations, the biggest problem is to keep everyone happy. Each group wants its own rights and wants to protect its language and culture.
Different tribes live here in the mountainous areas with their own language and cul