the operative key here is, withdraw all support if they don't agree;

President Trump confirmed on Fox News (during an interview with Brian Kilmeade) he gave Ukraine President Volodymyr Zelenskyy a week to review the 28-point peace proposal organized by Secretary of State Marco Rubio and Special Envoy Steve Witkoff.

Ukraine will likely never agree to the proposal, because too many European and American interests are grounded in maintaining conflict between Russia and Ukraine.  However, the shift this time is that if Ukraine/EU/NATO and Congress do not agree to the ceasefire and peace proposal, President Trump has indicated he will withdraw all support.

Axios originally obtained the 28-page proposal, and Politico has confirmed it..........more..........