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It was fighting for democracy and against communism.
The US is fighting the "Global War Against Terrrorists", since 11 September 2001.
The US was fighting the USSR, or the Soviet Union, in the cold war. Mostly, though, it was democracy against communism.
The Spanish American War.
When Afghanistan jet fighters are fighting US jet fighters. When Afghanistan tanks are fighting US tanks. When Afghanistan warships are fighting US warships. When Afghanistan soldiers are fighting US soldiers. Then it will be like Vietnam. Right now, it just a law enforcement issue; finding terrorists, arresting them, or terminating them.
They were still fighting the Germans
Because North Korea is still fighting the Cold War
The US has been fighting in Afghanistan longer it was fighting in Vietnam. It is the longest war in US history.
Yes because if they weren't they would still be fighting in it because they pretty much won every war after the Revolutionary War.
No, the Japanese were still fighting against the US at the time of Germany's surrender. World War 2 ended after the nuclear bombings of Japan.
It was fighting for democracy and against communism.
The US did have a civil war in the 19th century. Many other countries have had civil wars, and some are still in progress even as I type. The Democratic Republic of Congo is still fighting a very destructive civil war, for example, in which millions of people have already died.
The US is fighting the "Global War Against Terrrorists", since 11 September 2001.
The US was attacked.
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Communist aggression.
the US joined the fighting in 1941 after the bombing of pearl harbour by the Japanese