The sentence that compares the Persian Gulf War to the second World War is We succeeded in the struggle for freedom in Europe because we and our allies remained stalwart.
When the speaker talks about how there was a struggle for freedom in Europe, this was in reference to WWII where the Allies had to defeat the Nazis to regain freedom for Europeans.
The speaker is comparing this to the Persian Gulf War to say that they are also fighting for freedom in Kuwait, as they were in Europe.
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