1. The Canadian Shield
2. Forest
3. <span>Industries use minerals
4. T</span><span>he United States should own land between the Atlantic and the pacific</span>
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:
I think the answer is D, I might be wrong though but hope I helped! Sorry if I didn't!
It influenced other country's to do the same
