![In 1937 the U.S. Government banned Hemp likely because they were about to do things that required a lot of Hemp. [586x666]](https://pic8.co/sh/ABwTH1.png){kind=link}
There were a large number of factors that eventually led to the prohibition and subsequent labelling as a controlled substance in1979.
There is the Corporate conspiracy theory that suggests hemp was banned by corporate special interests who saw hemp as a threat to oil and other synthetic fibres they controlled. This included a massive public smear campaign and the campaigning of the Drug Enforcement Agent Arlisson who went on to promote hemp prohibition around the world.
I'm glad your source at least mentions William Randolph Hearst as being involved, though I believe his role has been downplayed by historians. He was probably the #1 driving force behind convincing the American public to ban it at the time.
Newspaper magnates were/are among the most powerful propagandists.
Hearst castle is pretty cool though. Even if he was a total douch. Definitely worth a visit if you find yourself on the Cali central coast.
Hearst was involved in the paper industry and led the ban on hemp in order to prop up the timber industry to produce it. Hemp is an all around product producer in the same way oil is. Nearly unending products that could be made with hemp and were much better with a longer lifespan. For a really trippy demonstration this hemp car video would have been a game changer for people. https://youtu.be/srgE6Tzi3Lg
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