More seriously, Ukraine is probably not the reason of scarcity, but if you want to solve the supply chain, you’ll hit China very fast: Their growing local population means that one day, they’ll keep everything they produce for themselves. And that’s big enough to be the cause of inflation: Mid-term inflation is probably due to lack of productivity during Covid; long-term inflation is certainly due to the lack of goods produces in the West, while the East starts to keep their production.