During the Gilded Age, factories hired unskilled workers to

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.

answer: sorry but maybe take a pic of the map so nobody's confused

explanation:

this isn't a question and if you're going to list things be kind and use commas.