Answer:
I need points wiyyyyyrtyrrytryr
It is not an economic activity - it's linguistic in nature, not economic.
It is not linguistics either - linguistics is a scientific discipline.
It's also not a culture region - this would be a kind of region, and a region is not the same as spread of culture.
The correct answer is "a) cultural diffusion.
A ,that's the song that promoted the movement.
Answer:
Make an observation.
Ask a question.
Form a hypothesis, or testable explanation.
Make a prediction based on the hypothesis.
Test the prediction.
Explanation: