The use of the Silk Road in Asia and caravan trade routes in Northern Africa and southwestern Asia encouraged what? A. Self-Sufficientcy
B. Isolation
C. Ethocentrism
D. Cultral diffusion

the american revolution led to the creation of a democratic republic,is the correct answer;

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.

c

explanation: