Why does trade often result in cultural diffusion

Cultural Diffusion-is the exchange of ideas between different cultural groups through trade or war. This is accomplished through the movement of people and goods. ... --The Silk Road was important because it allowed for the exchange of goods between Asia and the Middle East.

Explanation:

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because its important to learn about other countries and how high tech they are compared to us. also its good to learn about other cultures and how ours differs and in common also we need to learn about companies that we still buy since they ship it here.