Relocation Diffusion: Most of South America speaks Spanish because Spain established colonies in South America beginning in the 1500s. , In the 1960s, surfing started to gain popularity in Southern California. These surfers began to look for new surf spots in Mexico, Peru, and South Africa. By 1980, all of these countries had developed surf cultures of their own., The Columbian Exchange began in 1492 when colonists from Europe began transporting foods across the Atlantic Ocean., Contagious Diffusion: The Ebola virus outbreak began in a small village in Sierra Leone. Within a couple of weeks it had spread to other areas of the country., Blue Bell Ice Cream were once just small batches made for people in Texas. More towns surrounding Brenham, Texas began buying it. Eventually, Blue Bell had to increase their ice cream to supply all of Texas. , The popularity of soccer in the US spread outward from the Northeast in the early 1900s., Hierarchical Diffusion: Computers were once as big as closets and only wealthy companies could afford to have them. However, as tech improved, small computers were purchased for office use. Finally, in the 1990s, wealthy American families began purchasing computers for personal use., The first subway began in London in 1868. NYC created their own in 1907. Tokyo in 1927. They are expensive, so only large cities are able to pay for their construction. Now over 150 cities have subways., When a famous sports athlete, like Neymar, creates a new hair style, other pro players choose a similar style. As more players adopt the hair, fans will even choose the hair style. , Stimulus Diffusion: Jazz music is often described as "America's gift to the world." What began in the US in the 1920s is now popular everywhere in the world. Each country puts their own spin on the sound., Austin is known for its breakfast tacos and Mexican restaurants. Austin has created a whole different style of cooking that combines some Mexican recipes with more Texas style ingredients., There are several traditions of Santa Clause around the world. Each carry their own cultural style.,

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