BIARRITZ, France (AP) — British Prime Minister Boris Johnson won U.S. President Donald Trump's approval Sunday for his plans to take a tough approach in talks to leave the European Union after a chummy meeting on the sidelines of the Group of Seven summit in France.

Johnson glowed as Trump said he gave him a vote of confidence in carrying out the Brexit talks. The British prime minister has vowed to bring his country out of the EU on Oct. 31 no matter what, an approach that has raised worries about a chaotic divorce that could cause chaos and hurt the economy.

Trump promised that he and Johnson would work out "a very big trade deal" between their nations once the United Kingdom leaves the EU.

"I'm very grateful for that," Johnson said. "And we're looking forward to having some pretty comprehensive talks about how to take forward the relationship in all sorts of ways, particularly on trade. We're very excited about that."

But the pair were barely past the elegant winding staircase at the Hotel du Palais when it became clear that each had a different vision of what a trade deal might look like. The United States has said it is ready to negotiate a post-Brexit trade deal with the U.K. in pieces — rather than London's wish of a comprehensive pact.

Johnson pledged a "fantastic deal once we clear up some of the obstacles in our path." Trump interrupted promising "lots of fantastic mini-deals."

The British prime minister badly needs a trade deal with the United States. After taking power last month he vowed that Britain would leave the EU on time with or without a divorce deal, cutting the country off from the EU's single market of 500 million people. A no-deal Brexit would see new tariffs and border checks on trade between Britain and the EU, seriously disrupting business.

Supporters of Brexit say a free trade deal with the United States can help make up for any reduction in commerce with the EU after Britain leaves the bloc's single market for goods and services. In 2018, Britain did almost half its trade with the EU, while the U.S. accounted for 18% of U.K. exports and 11% of imports.

"We're working on a very big trade deal and I think it's going to work out," Trump said.

The meeting between the leaders came a day after Johnson warned that getting a trade deal with the United States won't be "plain sailing" as he bemoaned barriers to the United Kingdom's goods in American markets.

Speaking to reporters as he flew to France for the Group of Seven meeting, Johnson cited examples small and large of British goods that struggle in U.S. markets for bureaucratic reasons. He cited things like cauliflower, English wine, pillows, rail cars and even parts for showers.

It wasn't just goods on Johnson's radar, but professional services, which far and away make up most of Britain's economy.

"If you want to sell insurance in the U.K. you only need to speak to two regulators," Johnson fumed. "If you want to sell insurance in the U.S. you have to speak to 50 regulators. The same point can be made about architects and many other professions."

But even though he needs a deal, Johnson was at pains to say he wasn't giving away the store. Some sectors of the U.K. economy would remain off limits to any deal. Johnson has promised the National Health Service will be off-limits and that animal welfare standards would be safeguarded.

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