It depends on what Trump does. He may start opening up other avenues for America to get the same trade we had with China. For example, we might get friendlier with Mexico or Vietnam. https://www.bbc.com/news/world-asia-48273550
It doesn't because this shows that things can change on a whim. No one is going to commit billions of dollars to anything in such a precarious environment.
Nations I'm not sure but it will for sure impact strategy at all companies of all sizes from large multi-national corporates down to bootstrapped startups like my own.
I'd rather not go too deep into it but if America suddenly changes it's approach to the market as it looks to be doing it's a massive risk to rely on services from any American companies (through no fault of the companies in question).