How did Geography impact Chinese civilizations?

In ancient times, the geographic features of China insulated the country from the rest of the world. Natural barriers,such as mountains,deserts,rivers,and seas,made travel to and from China challengeingThey made the spread of ideas and goods between the ancient Chinese and others outside the region difficult.

Explanation:

idk you know what i mean hahahaha

b.

explanation:

he is racist

"oh, lets coppy china and build a great wall around bla bla bla.that way,we wont lose out to other countries." in the end, he did not build anything