Many other commenters have provided high-level background answering your question, but if you want to see how legalization/decriminalization is unfolding across

Many other commenters have provided high-level background answering your question, but if you want to see how legalization/decriminalization is unfolding across the US, this is a detailed map: https://psychedelicalpha.com/data/psychedelic-laws https://psychedelicalpha.com/data/psychedelic-laws