Kuwait City Tensions between the two countries increased further in July 1990, after Iraq complained to OPEC claiming that Kuwait was stealing its oil from a field near the border by slant drilling of the Rumaila field. In August 1990, Iraqi forces invaded and annexed Kuwait. After a series of failed diplomatic negotiations, the United States led a coalition to remove the Iraqi forces from Kuwait, in what became known as the Gulf War. On 26 February 1991, the coalition succeeded in driving out the Iraqi forces. As they retreated, Iraqi forces carried out a scorched earth policy by setting oil wells
Ba'athist Iraq the Iraqi government to focus on Iraqi Kurdistan which had revolted. Saddam appointed his cousin Ali Hasan al-Majid as military chief in Kurdistan. al-Majid initiated the al-Anfal campaign; chemical weapons were used against civilians. In April 1988, after a series of Iraqi military victories, a ceasefire was agreed between Iraq and Iran; the war is commonly considered "status quo ante bellum". In the aftermath of the Iran–Iraq War, Kuwait intentionally increased the country's oil output; this led to an international price decrease in oil. Saddam reacted by threatening to invade Kuwait if it continued to increase its oil output (which