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| mongol empire economic system | entered by user 3934694 |
| mongol empire economic system | entered by user ditto |
| silk road | entered by user 7872307 |
| silk road | entered by user 8337539 |
| silk road | entered by user 14428886 |
| silk road | entered by user 7332336 |
| silk route | entered by user 510366 |
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| the silk road | entered by user ditto |
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| the silk route | entered by user 21483731 |
| what is the silk road | entered by user 1231126 |
| what were some of the muslim ideas and goods that the crusaders brought back to western europe with them | entered by user 1287436 |
| www.silk road.com | entered by user 10294620 |