Look up DuPont and cannabis prohibition in the 20's. From what I...

Look up DuPont and cannabis prohibition in the 20's. From what I understand they wanted to sell more chemical pesticides which hemp didn't really require but cotton needs a huge amount. Their solution, a huge smear campaign resulting in making it all illegal. I don't know a lot about it myself so I may be a little inaccurate...
It is one if the toughest and most versatile, useful plants around and we got to this point all for a companies greed. Worth a mention also the environmental damage from cotton...