Spain has agreed to cooperate with the U.S. military, White House Press Secretary Karoline Leavitt said on Wednesday, a day after President Donald Trump threatened to cut trade with Madrid over its stance against the U.S.-Israeli strikes on Iran.

“I think they heard the president’s message yesterday loud and clear. It is my understanding over the past several hours they’ve agreed to cooperate with the US military,” Leavitt told a news briefing.

Trump floated imposing a trade embargo on Madrid over its refusal to allow U.S. aircraft to use jointly operated naval and air bases in southern Spain for the offensive against Tehran. Spain has denounced the U.S. and Israeli bombings of Iran as reckless and ​illegal.

Spain “will not be vassals” to another country, Deputy Prime Minister Maria Jesus Montero said on Wednesday. In a televised address earlier, Prime Minister Pedro Sanchez reiterated Spain’s anti-war stance, warning that the conflict risked triggering a major global disaster.

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(Reporting by Steve Holland and Humeyra Pamuk; Editing by David Ljunggren)