A decision to negotiate over the heads of the Ukrainians would reveal just how Trump sees Ukraine and Europe.
Disclaimer: The article linked is from a single source with a single perspective. Make sure to cross-check information against multiple sources to get a comprehensive view on the situation.
Here’s some additional reading for anyone interested
https://en.wikipedia.org/wiki/Occupation_of_Czechoslovakia_(1938–1945)?wprov=sfla1