That's kind of the idea, spark a revolution due to creating unrest and overthrow the government. Trade war.
Now has that worked?
Remember that Cuba still trades with other countries it isn't particularly cut off so as to get people rioting in the streets.
Isn't it grossly criminal that a naturally occuring plant that can feed us, (with the very best complete nutrition known to the plant kingdom) provide our liquid fuel, (biodiesel) clothe and house us with the finest natural fiber on earth, (hemp fiber) provide a myriad of medicines that can relieve everything from menstral cramps to cancer, be kept from us?
Uses for (non-drug) Industrial hemp: