Mr. Ratcliffe made the visit to deliver a warning to the government that it had to make economic changes and stop allowing Russia and China to operate intelligence posts in Cuba, U.S. officials said on Thursday.

Mr. Ratcliffe is the highest-ranking Trump administration official to visit Cuba. His trip is part of a multifaceted campaign to escalate pressure against the Communist government and fulfill President Trump’s demand for regime change.

In a statement, the C.I.A. said that Mr. Ratcliffe had traveled to Havana to personally deliver President Trump’s message “that the United States is prepared to seriously engage on economic and security issues, but onl