SOMEONE HELP ME PLEASE Explain how POTUS can use government-granted powers to legalize marijuana on the federal level, then discuss the pros and cons of that action.

Well I don’t know the first part of the question but I can do the pros and cons
Pros: marijuana is used for self medicating and can help calm down anxiety
Marijuana is Also used for when someone has cancer it helps drastically with cancer

Cons: people can Mis use it

What are the options for the question i'll get back to you asap if you could let me know