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What innovation helped maintain the growing populations during the Tang and Sung periods?

the Silk Road
the Grand Canal
the spinning wheel
terrace farming

User Obsidian
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2 Answers

13 votes

Answer:

It's D.) terrace farming.

Step-by-step explanation:

I took the test, edge2021! Hope this helps anyone!

User Jyore
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8 votes

Answer:

The answer is terrace farming.

Step-by-step explanation:

User Ha
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