Why did the gap between the rich and poor help weaken the Shang?

Question

Can someone tell me where to find the answer!

Answer 1

When a gap such as that exists, sooner or later the poor (who are always much more numerous) rise up against the rich.

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http://mail.watertown.k12.ma.us:81/~kboudreau/Study%20Guides/wmssg/Gr8HP/Gr8HIST/SG/china.htm