Simplify the following text for a Grade 10 native English-speaking person.
Original: The Invasion of Kuwait , also known as the Iraq-Kuwait War , was a major conflict between the Republic of Iraq and the State of Kuwait , which resulted in the seven-month long Iraqi occupation of Kuwait , which subsequently led to direct military intervention by United States-led forces in the Gulf War .
Simplified: The Iraqi invasion of Kuwait was a military campaign to occupy Kuwait in the Persian Gulf .