Criticism of the Iraq War
The U.S. rationale for the Iraq War has faced heavy criticism from an array of popular and official sources both inside and outside the United States. Putting this controversy aside, both proponents and opponents of the invasion have also criticised the prosecution of the war effort along a number of lines. Most significantly, critics have assailed the U.S. and its allies for not devoting enough troops to the mission, not adequately planning for post-invasion Iraq, and for permitting and perpetrating widespread human rights abuses. As the war has progressed, critics have also railed against the high human and financial costs.
Some academics see such costs as inevitable until US foreign policy turns away from expanding US hegemony. Professor Chip Pitts asserts that an American empire exists, but argues that it is profoundly at odds with better instincts of US citizens and policymakers, and that rejecting neo-colonialism by military means as employed in the Iraq War is a prerequisite to restoring domestic civil liberties and human rights that have been infringed upon by an imperial presidency – while crucial, as well, to promoting peace and stability in the Middle East and other places of vital US interest. When Iraqi citizens were asked directly prior to the Civil war in Iraq, 82–87% of the Iraqi's polled wanted a timetable for the withdrawal of US-led forces. 47% of Iraqis support attacking US troops. The Center for Public Integrity alleges that President Bush's administration made a total of 935 false statements in a two-year period about Iraq's alleged threat to the United States.
An Australian investigation (Panorama, 9 June 2008) estimates that around $23 billion (£11.75 billion) may have been lost, stolen or not properly accounted for in Iraq.
The use of force by a state is prohibited by Article 2 (4) of the UN Charter. The only exceptions are with Security Council authorization under Chapter VII, which was not obtained, or in self-defence against an armed attack by another state under Article 51; Iraq never attacked either state.
On September 16, 2004 Kofi Annan, the Secretary General of the United Nations, said of the invasion, "I have indicated it was not in conformity with the UN charter. From our point of view, from the charter point of view, it was illegal."
Furthermore, before the invasion even the then UK Attorney General, Lord Goldsmith, advised that the war would likely be illegal for several reasons including the lack of a Security Council resolution. He later changed his mind when it appeared that the invasion would take place regardless of the legal situation.
Even prominent supporters of the war have accepted that it was illegal. Richard Perle, a hawkish member of the Pentagon has stated that "international law ... would have required us to leave Saddam Hussein alone." 
The troop level for the initial invasion of Iraq was controversial throughout the run-up to the war, particularly among U.S. military personnel. In 1999, then head of United States Central Command Marine General Anthony Zinni (ret.) organised a series of war games known as Desert Crossing to assess an invasion aimed at unseating Saddam Hussein. His plan, which predicted much of the violence and instability that followed the actual invasion, called for a force of 400,000 troops. Consistent with the Desert Crossing scenarios, the original U.S. army plan for the invasion of Iraq contemplated troop levels of up to 500,000, but Secretary of Defense Donald Rumsfeld declared this plan "the product of old thinking and the embodiment of everything that was wrong with the military", and decided on an invasion force of approximately 130,000, bolstered by some 45,000 troops from the UK and a handful of troops from other nations. The plan to invade with a smaller force was publicly questioned by then Army Chief of Staff General Eric Shinseki, who, during a February 25, 2003 Senate Armed Services Committee hearing, suggested that an invasion force would be "on the order of several hundred thousand soldiers." In a November 15, 2006 hearing of the same committee, General John Abizaid, then head of U.S. Central Command, confirmed that "General Shinseki was right that a greater international force contribution, U.S. force contribution and Iraqi force contribution should have been available immediately after major combat operations."
In addition to raising questions about troop levels, critics of the Iraq War have argued that the U.S. planning for the post-invasion period was "woefully inadequate." In particular, critics have argued that the U.S. was unprepared for the widespread looting and the violent insurgency that immediately followed the invasion. Soon after the invasion, former U.S. Deputy Secretary of Defense Paul Wolfowitz, a leading architect of the war, acknowledged that the U.S. made assumptions related to the insurgency that "turned out to underestimate the problem." Pre-war beliefs about the occupation were inherently rosy, with Vice President Cheney noting on "Meet the Press" that U.S. forces would be "greeted as liberators". Subsequent reports have indicated that oversights such as the failure to control access to the Qa'qaa munitions factory in Yusufiyah allowed large quantities of munitions to fall into the hands of al-Qaida.
The U.S. plans for reconstructing Iraq have also come under heavy fire. In a February 2006 report, Stuart W. Bowen Jr., the Special Inspector General for Iraq Reconstruction, wrote that: "There was insufficient systematic planning for human capital management in Iraq before and during the U.S.-directed stabilisation and reconstruction operations." Critics have particularly chastised the Pentagon, which was charged with preparing for the post-invasion period, for largely ignoring a $5 million study entitled the Future of Iraq Project, which the U.S. State Department compiled in the year preceding the invasion.
Human and financial costs
As the Iraq War has progressed from the relatively short invasion period to the considerably longer and more costly occupation, many critics have argued that the war is no longer worth the growing number of casualties among both U.S. soldiers and Iraqi civilians. For example, the U.S. organisation Gold Star Families for Peace, launched by anti-war activist Cindy Sheehan and other parents of soldiers killed in Iraq and other wars, advocates "bringing an end to the occupation of Iraq" by raising "awareness in the United States about the true human costs of the invasion/occupation of Iraq."
Just as the human costs have mounted, the total financial costs have also risen from the initial Bush Administration estimates of $50 billion to more than $400 billion total, most of it coming from the United States, but at least £4 billion from the United Kingdom. As the war bill has grown, many U.S. politicians, including some who supported the invasion, have begun to argue that its cost outweighs its benefits, and that it is jeopardising the preparedness of the U.S. Military. For example, on March 29, 2007, Nebraska Senators and longtime rivals Chuck Hagel (R-NE) and Ben Nelson (D-NE) released a joint statement saying that "there is now a 'significant' risk that the United States military will not be able to respond to an emerging crisis."
Effect on global war on terror
During the runup to the invasion a group of 33 international relations scholars took out a full-page ad in the New York Times suggesting, among other things, that invading Iraq would distract the United States from its fight against al-Qaeda and further destabilize the Middle East.
Former British Prime Minister Tony Blair was advised prior to the invasion, "that the greatest terrorist threat to Western interests came from al-Qaeda and related groups, and that this threat would be heightened by military action against Iraq." The International Institute for Strategic Studies agreed, saying in late 2003 that the war had swollen the ranks of al-Qaida and galvanised its will by increasing radical passions among Muslims.
In January, 2004, an Army War College report said the war diverts attention and resources from the threat posed by Al Qaeda. The report by Jeffrey Record, a visiting research professor at the Strategic Studies Institute of the Army War College, calls for downsizing the war on terrorism and focusing instead on the threat from Al Qaeda.
Impact on Israel
Effect on religious minorities
After the invasion there was a general lawless state in Iraq which is directly attributable to the invasion. This has allowed some Islamic extremists to take roots in the country and attack people of religious minorities which they consider to be infidels. Among these religious minorities are the Shias, the Chaldeans and the Mandaeans.
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