Mark the statement if it correctly describes the importance of trade on the silk road.
a. goods and ideas--such as confucianism and the procedure for making paper--traveled along the silk road.
b. goods, people, and ideas passed from one culture to another along the trade routes of the silk road.
c. goods and ideas flowed only from east to west along the trade routes of the silk road.

The importance of trade on the Silk Road was that b)goods, peoples, and ideas passed from one culture to another along the trade routes of the Silk Road. The definition of the Silk Road is "an ancient network of trade and cultural transmission routes that were central to cultural intersection through regions of the Asian continent connecting to the West and East by merchants,pilgrims, monks, soldiers, nomads and urban dwellers from China and India, to the Mediterranean Sea during various periods of time."

Is there like something i’m supposed to cite because i don’t see any background information?