As a european I can assure you it doesn't have to do with any of your politcians.
Here in Europe is inflation is crazy at the moment as well as in asia.
The war has hugely influenced energy prices.
Furthermore russia and ukraine produce huge amounts of grain in peaceful times...
So that supply is also gone now.
Not to mention China locking down entire cities. No wonder supply chaines are disrupted which makes many things more expensive...
Now if the ukraine/russia conflict can have such a big impact on other countries how big might the impact of an armed conflict between the US and China be?
IMHO this videos sums up the threats to the world economy pretty good: