Feudalism started around 8th century or 850 AD to be exact. Based from all the choices given, there is no right answer. So probably the closest is 900 A.D so I would have to go with that. But if there is a choice that is 850 A.D, that is the correct answer. I hope this answer helped you.
Qin Shi Huang took the title
I think the answer would be B?
She would get 21. 21-3=18. 18-7=11. 11+10=21 Please mark as brainliest. Hope this helps!