The fourth type of cultural diffusion. similar to expansive diffusion except that it involes a rapid and invasive diffusion of trait through the culture group. it is termed contagious disease is spread.
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High viscosity and lots of dissolved gas
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I mean one thing was the Crusades, which were when muslims fought the christians. Many christians lived together, but muslims did not live n the same countries. hope this helps ❤️
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