It is B. New European medicines made surviving harsh colonial conditions possible.
Sargon's soldiers defeated all the city state of Sumer. They also conquered northern Mesopotamia, finally bringing the entire region under his rule and with <span>conquest,Sargon established the worlds first empire.</span>
The first state to establish a court administrative office was North Dakota in 1927.
A and B is out because these undoubtedly are unique Chinese achievements. So is D. The Chinese are infamous for these things. Other achievements include gunpowder, fireworks, ect.
C is basically the answer because the chinese aren't the only race or country to do so. Many people have done it in the past before them and present in the terms of civilization. It isn't simply uniquely or originally from them.