Answer:
: Is the spreading an ideas or products from one culture to another. Some of the ways that this contact happens are war, trade, and exploration
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One Positive affect of cultural diffusion is that when new ideas or technology is shared with other cultures. The cultures can then take the idea and use it themselves.
Throughout history we can see that Cultural Diffusion had a great impact. To help give an example to the one positive affect, I will explain it.
The Romans and the Greeks shared some cultural things such as art, columns, and philosophy. Not the same but similar.
Hope this helps you! :)