Donald Trump isn’t the only president who knows a bad deal when he sees one. Volodymyr Zelensky’s refusal to sign away nearly half of his country’s rare earth minerals for very few future guarantees is one of many reasons why Trump has been driven into a rage at his counterpart in Kyiv.

President Trump on Friday continued to bash President Volodymyr Zelensky of Ukraine and pressure him for mineral rights.

The White House floated a proposal to secure U.S. access to half of Ukraine’s mineral resources after the war, reportedly including lithium, graphite and uranium.