America has not stopped Ukraine negotiating with Russia.
Repeatedly insisting that America is - by any means - deviously prolonging the invasion, is blaming America for the continuing invasion of Ukraine. You flat-out shrugged and treated the continued war as a given, when you blamed America for not negotiating.
Negotiating for fucking what, by the way? There is only one term that matters: leave. It is 100.0% up to Russia to do that.
America baited Russia into a quagmire and sprung a trap on them
… “bUt HoW aM i bLaMiNg AmEriCa fOr ThE iNvAsIon?!”