He hindered the inspection teams trying to prevent Iraq from rebuilding a nuclear capacity.
It also prevents Iraq from claiming performance bonds put up by foreign companies that could not complete their contracts because of sanctions.
The administration is determined to prevent Iraq from joining the nuclear club.
The aim is to prevent Iraq from earning foreign exchange by transporting goods around the world for other countries.
But surprise is essential to prevent Iraq from concentrating its forces at the likely attack routes.
Nearly six years of strict international sanctions have prevented Iraq from selling oil.
An effective embargo was in place to prevent Iraq from acquiring fissile material.
He said the speed of the campaign might have prevented Iraq from using unconventional weapons.
Military and economic sanctions prevented Iraq from rebuilding its military power.
This is intended to prevent Iraq from undercutting other oil producers in the region.