What were the similarities and differences between the three muslim empires?

The three empires were- Ottoman, Safavid and Mughal empire.

The similarities were-  

1- These originated as Turkic nomadic raiders of Central Asia based on military conquest.

2- These oriented to support armies & military classes using firearms.

3- They knew the effective use of firearms and siege warfare.

4- They were ruled by a disputed succession of absolute monarchs.

5- Tax policies conquered people heavily.

The differences were:

1- The ottomans spread over Anatolia Peninsula, Europe and North Africa. They had a zeal for Islamic conversion and mostly had Muslims and had a large Christian minority.The Muslims were Sunni Muslims.

2- The safavid spread over Persia ( now Iran).They had mostly shia Muslim.

3- The Mughals ruled predominantly non-Muslim population and spread over northern India. Mughals had different political tactics and social policies as compared to other two.

i beleive a. is the only possible answer