The passages best illustrate which of the following differences between the trade networks during this period?
a. China’s trade was largely external and used seafaring routes, while Arabia’s and India’s networks were largely internal and used caravan trade.
b. China’s trade was largely external and used overland routes, while Arabia’s and India’s networks were largely internal and used waterways.
c. China’s trade was largely internal and used overland routes, while Arabia’s and India’s networks were largely external and used waterways.
d. China’s trade was largely internal and used waterways, while Arabia’s and India’s networks were largely external and used overland routes.