Iraq–Kuwait relations occupied El-Samitah near the Kuwaiti border, which evoked an international crisis. The Iraqi forces eventually withdrew under Saudi pressure. In 1990, Iraq accused Kuwait of stealing Iraqi oil through slant drilling, however some Iraqi sources indicated Saddam Hussein's decision to attack Kuwait was made only a few months before the actual invasion. There were several reasons for the Iraq move, including Iraq's inability to pay more than $80 billion that had been borrowed to finance the war with Iran and also Kuwaiti overproduction of oil which kept oil revenues down for Iraq. The invasion started on 2 August 1990, and
Liberation of Kuwait campaign the U.S. Marines stopped at the outskirts of Kuwait City, allowing their Coalition allies to take and occupy Kuwait City, effectively ending combat operations in the Kuwaiti theater of the war. After four days of fighting, all Iraqi troops were expelled from Kuwait, ending a nearly seven-month occupation of Kuwait by Iraq. A little over 1,100 casualties were suffered by the Coalition. Estimates of Iraqi casualties range from 30,000 to 150,000. Iraq lost thousands of vehicles, while the advancing Coalition lost relatively few; Iraq's obsolete Soviet T-72 tanks proved no match for the American M1 Abrams and British Challenger tanks.