This answer is B , which is also correct on Plato.
Where are the following people at
"If the ruling dynasty was wealthy, it would keep the Mandate of Heaven" is the best answer from the list, but it should be noted this was not always the case.
Well the exact translation of Islam is submission. So the belief in the existence of the Islamic god Allah, as well as angels. Belief that the Quran is legitamite. Then there's other stuuf like the Gospel (showed to Jesus), the Torah (Moses), then finally Psalms (David). Bascially saying like submit yourself to Allah and what not.
A hot line to say when war would be called. I hope this helps! :D