The most effective way forward right now is to try and get full legalization on the ballot for 2022/2024 in states with citizen ballot initiative processes. If it can be voted in in South Dakota, then anything is possible. Here’s a list of states with those.
Also, Idaho politicians are trying to amend their state constitution to prevent cannabis from ever being legalized in their state, ever. It would be in our best interest to help organize votes against that if/when it goes before Idaho voters in 2022.