Answer:
So after looking at these it is definitely not A 100% but it might be B but i'm not sure i'm terribly sorry if i'm wrong but it might be B lmk how u did and if i'm wrong you can remove my answer from your question! Have a good day and good luck!!
Explanation:
I dont,think that there was a decree
It is D, the ottoman empire. It' not A because the byzantine's were part of the ottoman empire. The Mongols were eastern asia so that wouldn't be it. And the roman empire had already fell by the time the Ottoman empire had rose. So you have your answer! Hope I helped. :)
I wish i could help but i did do this before but i cant remember sorry :((
I believe it is C. Federal Government