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name two geographical features that separated ancient china from other civilizations

The Himalayas and the Yangtze river.

Explanation:

The Himalayas separated china from the south west close to India, and the Yangtze river secluded it from the north eastern side. This helped prevent invasions and let china mostly control it's trade routes.

Hope this helped you!

honestly you should get that checked out because it really isn't normal

it affected it because the kingdoms (with trade) slowly got richer and richer.