The major events that increased polarization on the world stage from the close of world war II through 1961 had to do with the Cold War between Russia and the US--primarily proxy wars such as the Korean War.
Answer:
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Explanation:
The Silk Road connected them to the Fertile Crescent and other western countries and gave them new goods . Before the Silk Road china suffered from isolation because of the natural boarders around it
Answer:
largely due to the existence of convenient land bridges and easy sea lanes passable in summer or winter, in dry or wet seasons.
Explanation: