which regions are most spread through relocation diffusion? through contagious diffusion list two religous for each and explain why you believe that

Jerusalem is a city, located in the Middle East region and it is the most spread through relocation diffusion.

Judaism--Contagious diffusion, originated in Jerusalem.

Christianity--Contagious diffusion, it spread fast and originated in Jerusalem, and spread from the east coast of the Mediterranean to Europe, Italy, South America, and Australia.