I'm not very sure about this, but I do know that Rome was it's own independant country that was influenced heavily by religion. I'm not sure <em>which </em>religion, but they built their own beliefs off of that one.
But don't listen to me, I'm just a teen that reads way too many conspiracy theories.
I am pretty sure that the answer for the first question is A. Both empires shared similar laws and traditions because The West and East used the same laws and Eastern Roman Empire continued using them.
The second one is definitely b. It serves as a day of rest and worship. as it is main points of hajj for Muslims.
The third is b. a monk who defended the use of icons.
And what about the last one - b. Muslim non-Arabs were granted more privileges than Muslim Arabs. This quite a triky question, but the think you should remember is that Muslim non-Arabs were treated better.
A form of voting rights, in which all adult males within political systems are allowed to vote