What does the message from Washington suggest about Ukraine's territorial ambitions?

After three years of intense fighting with thousands of casualties, the message from Washington appears to undermine Ukraine's hopes and raises doubts about its goal to reclaim all lost territories. This affects not only Crimea, which Russia annexed in 2014, but also the four regions of Luhansk, Zaporizhzhia, Kherson, and Donetsk that Russia annexed in 2022. The American stance signals a potential shift in support for Ukraine's territorial ambitions, suggesting that full reclamation of all occupied areas might not align with current U.S. diplomatic positioning in talks with Russia. This development represents a significant challenge to Ukraine's stated objectives in the ongoing conflict.