Iran draws more forces to the Ottoman front, temporarily slowing progress in Pakistan. Many new military and civilian factories are built. New fronts are opened in Mesopotamia and in Anatolia and old fronts are pushed further. On the Arabian Peninsula Arriyad, Mecca and Medina are captured and the Gulf is brought under total Iranian control.
In addition to the title of Shahanshah the Shah gets titles of the King of Babylon, King of Sumer and Akkad and the Grand Vizer-Regent of the Caliph of Islam (because Shia Muslims do not believe anyone but decendants of Ali can be a caliph, as I understand, I know this is stupid but this game isn't very serious). Religious minorities such as Sunni Muslims, Christians and Zoroastrians are still tolerated and Sharia law isn't imposed and Iran tries to maintain good relationships with non-Muslim countries.
Iran declares a jihad against Intermarium.
A massive mobilization is started, with millions of people drafted in the army.
People from conquered territories are also recruited into the army and are given Iranian citizenship. Similar policies to those in the original Iranian land are implemented there. Additionally militia units are organized.
Iranian expedition led by Mithridates lands in Liberia and annexes it.
Separatist movements in Intermarium such as Hezbollah, Ba'ath and SSNP turn into partisans and do serious damage to the Intermarium. Iran calls upon Arab nationalism by promising Arabs more rights and autonomy than in Intermarium. Imperial State of Iran is officially renamed into the Imperial State of Iran and Arabia. Sunni Islam is made the official religion alongside with Shia Islam. Conquered territories from Intermarium are formed into the autonomious autonomous Kingdom of Arabia and similarly in Pakistan the Kingdom of Pashtuns and Western Hindus is formed. Shahanshah is crowned as the King of Arabs and the King of Pashtuns and Western Hindus.