One possible diplomatic payback to Spain would be hosting a second Middle East Peace Conference, similar to the one it hosted after the first Gulf War in 1991.

CNN: Analysis: Spain seeks wider role

Indeed, though much rarer, state on state war does still occur in the modern day, as evidenced by the First and Second Gulf Wars.

CENTERFORSECURITYPOLICY: Peace through strength in a globalized world

Alukkas opened his second store in Sharjah in 1992, despite stiff resistance from his brothers, who turned nervous after the first Gulf war.

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Second, while a larger number of American forces were removed from the region in just seven months after the first Gulf War, part of that redeployment was effected through ports in Saudi Arabia and possibly in Kuwait that would not be available this time around.

CENTERFORSECURITYPOLICY: Dunkirk in the desert