Marcus Rashford opened the scoring with a tremendous long-range strike into the top corner, beating Keylor Navas in goal for Costa Rica.
Following a hard season for several of the county's leading sides - with only Huddersfield Town flying the White Rose flag in the Premier League - the game will be a weclome fillip for the wider area, according to England manager Southgate.
In England's last match before their tournament opener against Tunisia in 11 days time, Manchester United's Rashford was the star of a much-changed side.
That proved to be the final piece of goal-mouth action in the half as England ended their World Cup preparations on a high.
Bashar al Assad goes old school in response to Trump's 'animal' insult
It called for all foreign troops to withdraw from Syria , which the Iranians promptly and very publicly rejected. "We don't have any other options, with the Americans or without the Americans", Assad told RT in an interview .
Southgate doesn't believe that will happen.
Jamie Vardy was denied by a flying Navas from point-blank range as England pressed their advantage, although Jack Butland made a good save to deny Johan Venegas after a rare Costa Rica break.
"I said to all the team before the game, I expect to see mistakes tonight and, if I don't, there might be a problem because we wouldn't be being as attack-minded as we want to be".
"They are going to make errors, but by taking risks they show the glimpses of quality like Marcus's opening goal".
"There are some serious decisions to take, but in a really good way".
Danny Rose and the uncapped Trent Alexander-Arnold should also feature at Elland Road in the final warm-up match before the tournament in Russian Federation.
"It's still early for him", he said. But I know the fanbase is there and I am really looking forward to playing here.