No, the U.S. is at war with the non-state actors who committed the 9/11 attacks. If an Englishman became a pirate on the high seas and was killed by a Spanish

No, the U.S. is at war with the non-state actors who committed the 9/11 attacks. If an Englishman became a pirate on the high seas and was killed by a Spanish warship, would Spain have been at war with England?