The Spanish region aims to carry out an independence referendum Sunday, but the national government believes that this goes against the constitution and it is therefore illegal.
Considering there's a significant difference between the two roles, people were a bit confused - possibly even Rajoy himself, who appeared to whip his head around after first hearing Trump address him.
According to Powell, during their joint-press conference, Rajoy and Trump will likely promise to further coordinate the fight against terrorism and there's the possibility that Trump might comment on the situation in Catalonia.
"I will keep hoping until the last minute that the Catalan government has a change of heart and calls off the referendum", Millo said at a briefing in Barcelona Tuesday.More news: Saudi Arabia To Allow Women To Drive For The First Time
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"I bet you if you had accurate numbers and accurate polling, you'd find that they love their country, they love Spain and they wouldn't leave, so I'm just for a united Spain", Trump said.
The President had said earlier Tuesday that the USA and Spain are allies in the fight against terrorism, saying they share notes and intelligence.
During the press briefing, the pair also mentioned the recent Barcelona terror attacks which killed 13 and injured 130 people.
"It's not the preferred option, but if we take option it will be devastating - devastating for North Korea", Mr. Trump said.
He also thanked Spain for contributing to a coalition of nations working to defeat IS, including training more than 30,000 members of the Iraqi security forces.