Final details are under wraps but Trump promised the deal provides billions of dollars in access for U.S. agricultural products like beef and ethanol.

To hear Donald Trump and some of his advisers tell it, trade tariffs will accomplish many things: stimulate the U.S. economy, bring home manufacturing jobs, raise tax revenues and provide America leverage to renegotiate security deals with its allies.

At times during weeks of thorny negotiations, the intense efforts of Prime Minister Keir Starmer’s government seemed destined to fail.