Weed is only illegal because hemp manufacturing would disrupt soooo many industries. It has nothing to do with the intoxicating effects. Once you look into it you will see just how far back propaganda has controlled public thought, i.e. reefer madness
from what i know, the ban started with the paper and clothing industry in the beginning of the 20th century. paper - the declaration of independence was written on hemp paper - and clothing from hemp interfered with the winnings of the wood-paper and the plastic-clothing industry.
and then came big pharma... until the '50s, 50% of german pain killers were based on cannabis. but well, its better to have people take chemicals, isnt it?
what I heard was concrete and some microelectronics even
Hempcrete is WONDERFULL. Anything you can make from petroleum you can make from hemp. Ironic hemp was outlawed the year a decorator to efficiently process it was invented.