Iraq was left alone by the United States.
After an invasion by the United States and its allies in 2003 , Saddam Hussein 's Ba'ath Party was removed from power and multi-party parliamentary elections were held in 2005 .	parliamentary	Parliamentary system	an invasion	2003 invasion of Iraq	its allies	Multi-National Force  Iraq	Saddam Hussein	Saddam Hussein	parliamentary elections were held in 2005	Iraqi parliamentary election, December 2005
