Why was the italian coup unique in the history of the european theater in world war ii?

Because they surrender against the Allies and break the relation with the Nazis. Explanation: Shortly after the Allied powers invaded Italy under the code name Operation Husky on 1943. The Italian fascist regime fell rapidly into disrepute.

Explanation:

states began imposing duties on each other's goods. congress had no way to raise money for an army to expel them.

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