Representative democracy.
The Romans elected representatives to represent them in the Roman senate.
I believe it's A.
The Muslims did control Jerusalem for a time, and I believe that they forced the Christians out of it.
Also the Crusaders did sack Constantinople when they were not allowed in by the government there.
I don't know what D is but I'll assume that it is true because I think A is false.
appropriate question only if your talking bout your but* than gluteus would be