Answer:
Agricultural yields were about 2 tan (a unit of about 110 pounds or 50 kilograms) of grain per mu during the Song dynasty, compared with 1 tan during the early Han and 1.5 tan during the late Tang.
Explanation:
Answer:
For question one, the answer is D, both sides suffered heavy losses.
Explanation:
Qin dynasty. The terra cotta soldiers give it away.
