That would be
C. juries
Because before juries the King would have the final decision on who was guilty and who was not
Many of our scientific ideas come from Ancient Greece :)
I looked it up and it says it is ‘a capita yearly tax historically levied on non-Muslim subjects, called the dhimma, permanently residing in Muslim lands governed by Islamic law’
So the answer is C
to save the peoplee from affrica because the chosen ose was going to come soon (god)