It depends on which time period. But, probably A.
Which is the Sui dynasty known for? A<span>. Uniting China and building a bureaucracy of talent. Hope I helped, and good luck!</span>
Answer:
C. Yangtze and Huang He
huang he is also known as yellow river
More than 9 million soldiers and an estimated 12 million civilians died in WW1, and 21 million military men were wounded
Diyala,Anbar and Samarra
Easy! Hope this helped