He thought slavery would be decided by the civil war
Answer: It should be illegal to smoke marijuana without a confirmed consent form from a doctor saying you nee it for medical purposes.
Explanation: Weed isn't good for anyone and it also plagues a large area with a fowl stench when a person smokes it which may bother a large group of people or a busy part of town. Quite a bit of people do get nauseated when encountering the smell cause by Mary Jane so it should be illegal to smoke in public areas instead of like how it is now where anyone at the legal age can do it.
The expanding of the muslim Empire in the years following the Prophet Muhammad's death led to the creation of the caliphates, occupying a vast geographical area and conversion to Islam was boosted by missionary activities particularly those of Imams, who easily intermingled with local populace to propagate the religious teachings.