Answer:
Cultural diffusion is when one part of a culture moves to another. I think cultural diffusion works when cultures become trade partners. A trait can travel over great distances because of travel. I think one cultural trait that would be passed is a language.
or
Cultural diffusion is the spread of cultural beliefs and social activities from one group of people to another. A trait could travel great distances due to migration to another place. Traits that can be passed down are food, religion, and clothing.
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