Answer:
the answer is true
Explanation:
answer is true
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.
I think it is that they got some of their rights in 1920
hope this helps :)
A is your answer
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