although the office of first lady has no formal responsibilities, eleanor roosevelt was seen as a strong advocate for

Eleanor was a representative to the United Nations and sustained to serve as an advocate for a wide range of human rights issues.  She was an early supporter of civil rights for African Americans, along with an advocate for women, American workers, poor, and young people. She also sustained government-funded programs for performers and authors. 

the chinese were most interested in gold

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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.