Many former Persian and Byzantine financiers and economic advisers joined with the Caliphs in forming the Islamic Empire. The early Umayyads especially took it upon themselves to develop a complex bureaucracy. There were taxes on goods, tariffs for foreign items, and the Dhimmi (non-Muslims) had a very high land tax (kharaj) that helped pay for government. Additionally, the Umayyads also taxed the Mawali (non-Arab Muslims), which drove them to support the Abbassids and revolt.
There is no Islamic Empire.
In 1492 the Islamic Empire finally left Spain but i dont know when it began.
The Abbasids, as the ones from the Islamic Empire.
The abbasids were rulers of the Islamic Empire back in the 700s to 1200s.
Mughal empire , but it was not completely Islamic .
There is no Islamic Empire.
The title of the Islamic Empire was Caliphate. The Caliph was called Amir-ul-Momineen.
It depends on the Islamic Empire in question. Assuming that you are talking about the Abbassid Caliphate (which is most commonly referred to as "the Islamic Empire"), the group that brought them down was the MONGOLS.
In 1492 the Islamic Empire finally left Spain but i dont know when it began.
Yes. The Mughal Empire was a great Empire of the Muslims in India.
Different in different parts of the empire.
Ottoman Empire
The Abbasids, as the ones from the Islamic Empire.
Invasions by the Islamic Ottoman Empire destroyed the Byzantine Empire.
yes
By forming Islamic armies, conquering non-Islamic countries, and making them into Islamic countries. Simple.
The Ottoman Empire.The Ottoman Empire