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.
Answer:
Who were the first pathfinders in Texas?
Explanation:
i think Native Americans
They both had opposing views on each other. One wanted slavery and the other wanted to keep the country safe and together.
Russia because it had Japanese navy men attack
