Marijuana-The Perfect Plant? Prior to the twentieth century, the marijuana plant (then more commonly referred to as hemp) was the single most important industrial plant, or non-food producing crop in America and the world (Getpman 1990). Archeologists report that marijuana was possibly the first plant cultivated by humans. They estimate that date at approximately 8000 BC (Columbia University). As early as 4000 BC, pottery with marijuana markings and hemp textiles were found in North Central China. In those …showed first 75 words of 1888 total…

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