Trump's push for a quick peace with Moscow while sidelining Ukraine has caused fear among many Ukrainians and their allies. But front-line troops say they are determined to fight on, citing three years of bitter sacrifices and the loss of tens of thousands of comrades-in-arms.

Member of Ukrainian Parliament Oleksiy Goncharenko says U.S. support for Ukraine is crucial to supporting a lasting peace, and that much of the funding the Trump administration has been deriding was approved by the U.

To see an American president betray Ukraine like this is really beyond words,” said Mary Kalyna, who is active in the Philadelphia Ukrainian community.