Thats the US, but tesla sells all; over the world. Europe definitely is moving (not fast enough but still...) towards widespread support for EVs and the eventual banning of ICE sales. We already have dates set by many European countries for when only EVs can legally be sold.
And The big car companies are global anyway. They aren't going to keep some little retro niche gasoline-car project running purely to sell to the US, when everybody else wants EVs.
Even if Trump actually OUTLAWED the sale of EVs in the USA, it would only be a speed bump in their global adoption. The momentum is clear.
In the UK our transport minister (grant shapps) drives a model 3