What was not given as a reason for the US invasion of Iraq

The United States still appears determined to move forward with plans to engage in a large-scale military operation against Iraq to overthrow the regime of Saddam Hussein. In the international community, however, serious questions are being raised regarding its legality, its justification, its political implications, and the costs of the war

Explanation:

the doctrine of nullification recommended that states living inside the union have the one-sided, inalienable ideal to void any law made by the national government that could be esteemed illegal.

the united states was shaped based on a general agreement among its individual states. hence, it is inferred that under the hypothesis of invalidation, since the states are the establishment of the union, they have the ability to referee and disprove unlawful laws.