What did the emperors Shi Huangdi and Li Yuan have in common? A) Both emperors ordered the burning of books. B) Both emperors built the Silk Road. C) Both emperors built themselves a tomb the size of a city. D) Both emperors unified China after years of war and rebellion.

D. Both emperors unified China after years of war and rebellion is the correct answer.

Explanation:

for many centuries there were important factors which the economies of the muslim empires developed increasingly. they applied economic procedures in production, investment, finance, taxation and property. they used to tax certain goods (for example: harvest), they charged interest on money lent, they signed contracts with merchants; they relied on a common currency, and they used checks as well as promissory notes. with the money collected by means of taxation, the government provided the needy with an income. in addition, trading networks covered huge distances, so far regions started to have contact and exchange goods. this trade network covered areas of asia, africa and europe.