Answer:
He brough Islam to Persian culture plus many cultures adapted to Islam (full explaination below)
Step-by-step explanation:
Anatolia was not empty until the Seljuk Turks captured it. It was, in fact, part of the Byzantine Empire, the main Christian power east of Rome. When the Seljuk Turks moved in, they brought in the Islamic religion as well as the Persian culture, which the Turks had largely adopted after becoming part of the Muslim Empire.