The plantation slave system was replaced by small farms owned by african americans who proved to be quite prosperous and independent, while many freed slaves moved to the city. select the best answer from the choices provided
a. true
b. false

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.