Why did Iraq invade Kuwait in 1990?

In early 1990 Iraq was accusing Kuwait of stealing Iraqi petroleum through slant drilling, although some Iraqi sources indicated Saddam Hussein's decision to attack Kuwait was made a few months before the actual invasion.

In early 1990 Iraq was accusing Kuwait of stealing Iraqi petroleum through slant drilling, although some Iraqi sources indicated Saddam Hussein's decision to attack Kuwait was made a few months before the actual invasion.