The Battle of Opis, fought in September 539 BC, was a major engagement between the armies of Persia under Cyrus the Great and the Neo-Babylonian Empire under Nabonidus during the Persian invasion of Mesopotamia. ... The battle was fought in or near the strategic riverside city of Opis, north of the capital Babylon.
B this is why A The attacksdid not endthe war, and causedmany casualties.*B.The attacksended the war, but killed manycivilians and alarmed the Soviet Union.Correct!
