Root beer is a carbonated, sweetened beverage, originally made using the root of the sassafras tree, or its bark, as the primary flavor. Root beer, popularized in North America, comes in two forms: alcoholic and soft drink. The historical root beer was analogous to small beer in that the process provided a drink with a very low alcohol content. Although roots are used as the source of many soft drinks throughout the world, often different names are used.

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