Simplify the following text for a Grade 10 native English-speaking person.
Original: In 2002 , because of the September 11 attacks in 2001 , Congress passed a bill called the Homeland Security Act , which created the Department of Homeland Security .
Simplified: In response to the September 11 attacks , President George W. Bush announced the establishment of the Office of Homeland Security ( OHS ) to coordinate `` homeland security '' efforts .