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AP Hum Geo Unit 1 Vocab.

The spread of new ideas into a new area
expansion diffusion
A new idea that spreads to areas around the starting point, but stays strong in the original place
relocation diffusion
People who have adopted a new idea, physically move around to spread it to other areas
When two different cultures adopt to the same area, one of them becomes more dominant, causing the other one to take in its characteristics
The blending of two different cultures becomes so extreme, that the new cultures become indistinguishable