Regarding Approaches to Iraq Taken by the United States and the United

Regarding approaches to Iraq taken by the United States and the United Nations,what was the two-track policy that ensued in late 2002?

A) UN weapons inspectors entered Iraq in search of WMDs,while the United States attempted to convince allies to impose sanctions against Iraq.
B) UN weapons inspectors entered Iraq in search of WMDs,while the United States deployed combat units to Iraq's borders.
C) The United States attempted to convince allies to impose sanctions against Iraq while deploying combat units to Iraq's borders.
D) The United States imposed economic sanctions against Iraq while convincing Iraq's neighbors to blockade Iraq's borders.
E) The United States imposed a blockade of Iraq's borders while convincing Iraq's neighbors to cease trading with Iraq.