Afghanistan, Dec. 27 -- Donald Trump and Volodymyr Zelenskyy are set to meet in Florida, with territorial disputes over Donbas and U.S.-backed peace proposals dominating the high-stakes discussions.

As the meeting between the U.S. and Ukrainian presidents approaches in Florida, Donald Trump struck a blunt tone, saying Volodymyr Zelenskyy has "nothing" without his approval, reigniting tensions over territorial concessions in peace talks.

According to Reuters, Trump made the remarks on Friday, ahead of his scheduled meeting with Zelenskyy, telling an interview that it remained to be seen "what he brings," while expressing cautious optimism that the talks could be constructive.

Zelenskyy has said he hopes to persuade Trump to abandon a U.S....