Extend NATO membership to more countries and get them on if they want to in less than a month.
Bring Iran back into the world economy, get them away from Russia. Use them for energy, etc.
Deploy iron dome across eastern europe.
Get a UN-led referendum in various natural localities of Ukraine to decide if they want to be a part of Russia or not. Anywhere that isn't, get them to join NATO. Anywhere that is, well, let people decide which govt they want to belong to.
