Based on the section "Immigrants are a big part of America's history," how was Oscar Handlin different from "contributionalist" historians? *

the mongolian invasion of china and central asia resulted in a disruption of the silk road as the chinese garrisons lost support from the chinese kingdoms which fell under the mongols. however, as the mongols established a formal dynasty in china, the successors of genghis khan restored the garrisons along the silk road allowing the safe travel caravans again.

the correct answers are 1, 2 5, 6

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