U.S.-led invasion of Iraq began on March 11 , 2003 . Six months later , with democracy taking hold , security situation improving . But ... when you withdraw , that will be very dangerous . '' But U.S. lost more than 4,000 troops ; at least 128,000 people have died . This showed many Americans more focused on economy than lingering Iraq war .
U.S.-led invasion of Iraq began on March 11 , 2003 . Six months later , with democracy taking hold , security situation improving . But U.S. lost more than 4,000 troops ; at least 128,000 people have died . This showed many Americans more focused on economy than lingering Iraq war .