The tian shan lies mostly in and northwestern china. a. uzbekistan b. tajikistan c. kyrgyzstan d. kazakhstan

Option C. Kyrgyzstan

Explanation:

The Tian Shan is a great mountain system located in Central Asia. It stretches about 1500 miles from west-southwest to east-northeast.

Although some of the tallest peaks of the Tian Shan reside along the borders of countries such as Kazakhstan, this mountain range has lays its main foundation between the borders of China and Kyrgystan.

it was important in history as the site of the ancient city of yin

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john maynard keynes developed new economic theories in response to the : b) great depression of the 1930s. his theories are so important that they are known as "keynesianism". in his works he supports the idea of a government with deeper involvement and intervention to end the great depression.