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Under the deal, the US would acquire large portions of Ukrainian rare earths, which Trump said would help bring the war in Ukraine to an end.
Professor Peter Dean from the US Studies Centre at Sydney University said diplomatic discussions like this usually take place behind closed doors.

Volodomyr Zelenskyy left the White House early after the fiery exchange with Donald Trump and JD Vance. Source: Getty / Andrew Harnik
“We are not used to seeing diplomacy run like this. We’re not used to seeing this type of debate and indeed arguing,” he told SBS News.
Videos of the fiery exchange have been circulated widely on social media, which clinical psychologist Danielle Epstein said could cause viewers to have a strong emotional reaction.
‘Makes our emotions stronger’
For people impacted by the war in Ukraine, or with personal connections to the region, this form of content could be particularly distressing.
“Social media content and these snippets of news, it’s almost as though it’s being designed behind the scenes to get our attention,” she said.
Different personality types
Others can be more accustomed to dealing with uncertainty and take a more “cynical” approach.
“But just trying not to go into it for too much depth or too long looking to solve the world’s problems right there at every opportunity, because that’s not quite so healthy for us.”
Unplanned outburst or orchestrated bargaining
“As President Trump said at the end, this will make for great television.”
The minerals deal, which was set to be signed this week, remains up in the air.
Will the minerals deal happen?
“I think Donald Trump understands that he will have to provide some type of security assurances, but he wants that with the US backstopping things rather than leading these things.”
“For many European leaders, their question will be how much can you trust President Trump’s word to actually follow through on that [security in Ukraine].”