How did movement people, goods and ideas along the Silk road aid cultural diffusion and change societies over time?

The Silk Road was a way Europe and Eastern Asia spread their cultures and beliefs. As the biggest trading route, many cultures and beliefs were passed around. It started in China and the reason it's name is the "Silk" road is because China was trading silk and other textiles on this route. It stretches to every part of Europe, Middle East, and Eastern Asia. Now it is used to spread religion, food, clothes, music, etc. The whole continent became a melting pot because everyone was trading cultures and beliefs around.

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answer; /// i do believe that the correct answer is (a); a farming tribe that settled primarily along the mississippi and arkansas rivers;