Answer:
Answer A. International trade
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It is d if it’s wrong sorry Cus I’m in the same grade as you and idrk how to solve this hope it helped tho :)
Angkor was a center for organization and the love of a heavenly ruler. The city was arranged and built based on strict and political originations imported from India and adjusted to nearby customs.
The immense arrangement of repositories, waterways, and channels, which was the most remarkable highlights of Angkor, served principally as a method for water control and rice water system, although it likewise spoke to the waters of the universe.
Answer:
The Himalayas in the west and the Gobi in the north were two important geographic barriers. They made the spread of ideas and goods between the ancient Chinese and others outside the region difficult. The early Chinese were so isolated that they came to believe that China was the world's only civilization.
Explanation: