Questions & Synonyms /The Foundation of Baghdad

Synonyms /The Foundation of Baghdad
1- foundation = establishment
2- garrison = armed force
3- exterminate = eradicate
4- descendants = race
5- chamber = room
6- crest = top or apex x bottom
7- ditch = trench
8- exit = doorway
9- assault = attack
10- storey = floor
Answer the following questions as fully as you can:
1- Who was the last Umayyad caliph?
2- Persians were ready to revolt for ________________without exempting them from the poll-tax paid by all non-Muslims.
3- Who built the Dar al-Imara at Merv?
4- How was the plan of Bagdad?
5- How many towers were there in the wall between Basra Gate and Kufa Gate?
6- In _______________ was the place and the Mosque, Diwans, residence for the younger sons of al-Mansur, and a kitchen.
7- Why were the four gates of Baghdad named so?
8- The height of the tower from the wall was ____________.
9- The first gateway was ____________, and the second is that ____________.
10- Where and when was Marwan defeated ?
11- Who was the priest king of Umma?