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Depends which country. US he ally to most European countries in NATO by the way
The US had a standing Army & Navy in 1940.
Treaty
Osama was never an ally to the US. He was a terrorist coward who lied to young men and women and convinced them to murder innocent people in the name of his god.
Cuba was an ally to the US during World War II. But after the war, Cuba became communist and joined on the side of Russia against US. Cuba and Russia were also launched the nuclear threat on the US and Mexico.
Italy
Germany
In the event of war, many european countries will ally with the US.
Portugal is the England's oldest ally...both countries have an alliance which is still in force
France after the revolutionary war
AFGHANISTAN
US is probably their biggest ally, but perhaps others will add more
Pearl is in the US and it was Japan, an ally of Germany that attacked it.
The US was in Korea as a member of the United Nations and many other members were allies including the British Commonwealth and Turkey. "South Korea" answer for A+
The leadership of the US was not in the least suspicious; they had hard evidence that the Soviets were responsible for the 1940 mass-murders but chose to say the Germans did it as Stalin was then their ally.
Depends which country. US he ally to most European countries in NATO by the way
All countries that were part of the Allies were an all of the U.S.