That and the 2 million barrels of oil a day that Saddam would added to Iraq's production.
That, and Kuwait has been considered the 19th province of Iraq by Baghdad.
That, and difficulties at home made a war good excused to divert attention, especially after the failed invasion of Iran.
That, and Saddam saw himself as a new Nebuchadnezzar.
All more compelling reasons.
Compelling only if you consider the blessing he got from the U.S.