Original sentence: " ("Jang, jang ta piruzi").Although Saddam's Iraq hoped to take advantage of revolutionary chaos in Iran and attacked without formal warning, they made only limited progress into Iran and within several months were repelled by the Iranians who regained virtually all lost territory by June 1982.Despite several calls for a ceasefire by the United Nations Security Council, hostilities continued until 20 August 1988.For the next six years Iran was on the offensive, following the slogan "War, war until victory.The last prisoners of war were exchanged in 2003.The war began when Iraq invaded Iran on 22 September 1980 following a long history of border disputes and fears of Shia insurgency among Iraq's long supressed Shia majority influenced by Khomeini's Islamic republic
Edited sentence: After two years of fierce fighting the Iranians were able to drive the Iraqis out of Iranian territory.For the next six years Iran was on the offensive.In Iran the war further solidified Khomeini's grip on power as millions of Iranians rallied after him.Saddam was sure of a quick victory as he had a professional army and was strongly supported by the United States, the Soviet Union and the majority of the Arab countries.The Iraqis attacked without any formal warning and in the begining they made quick progress.The war began when Iraq invaded Iran on 22 September 1980 following a long history of border disputes and fears of a Shia revival  among the long supressed shia majority of Iraq influenced by Khomeini's Islamic revolution.Within weeks thousands of volunteers flocked to the front