Trump's promise to end the war in Ukraine soon evaporated.
Negotiations for a ceasefire acceptable to Russia have barely advanced.
Ukraine, in a situation of weakness, needs the support of Washington, which is essential to contain the advance of Russian troops.
Russia is in no hurry to reach an agreement and seeks to prolong the talks and conflict.
Trump's threats to impose tariffs on those who buy Russian oil could impact Moscow's earnings.
Ongoing negotiations between the United States and Russia have failed to stop the violence.
Russia has been accused of rejecting a ceasefire.
Discussions about the future of Ukraine will need Europe's approval.
Difficult negotiations between the United States and Russia are not progressing.
Conclusion: Russia's intransigence and its willingness to prolong the conflict is hindering the resolution of the war in Ukraine. Washington's attempts to negotiate a ceasefire have been largely unsuccessful so far, and tensions remain high.