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Marijuana was made illegal by the federal government in the 1960's due to the fact that hemp would take the place of trees and cotton in many products and marijuana would take the place of man made pharmaceutical drugs which means they would get less money. it's still federally illegal and only Colorado, New Hampshire and parts of California allow it for now.

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11y ago
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14y ago

I think it was in 1937. Check the Harrison Tax Act.

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Q: When did marijuana get legal?
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