Primarily a European problem! One international problem at a time.
China directly threatens us and continues to. Russia has too many problems to do so right now. Given time they may. China is a direct threat. They now own if not at least rent the Oval Office right now.
Examples
https://www.politico.eu/article/xi-is-fixated-on-ending-chinas-century-of-humiliation/
https://thediplomat.com/2023/12/the-rising-tide-of-imperial-han-nationalism-in-china/
There’s plenty of examples if you look.