President Donald Trump is ratcheting up pressure on Ukraine to agree to terms to end the war with Russia, echoing some of Moscow’s talking points two days after meeting President Vladimir Putin.

On Sunday, Secretary of State Marco Rubio, who sat in on the meetings with Mr. Putin at the American air base outside of Anchorage, disputed the idea that the Europeans were coming as a posse to protect Mr. Zelensky from a repeat of the February shouting match.