All of the Following Are Examples of Increased Collective Security

All of the following are examples of increased collective security cooperation after the end of the Cold War EXCEPT:

A) an increase in the number of peacekeeping missions approved by the United Nations Security Council.
B) approval and support of the United Nations Security Council for an attack on Iraq after it invaded Kuwait.
C) the response to the killing of Tutsis in Rwanda in 1994.
D) participation of some Arab and Muslim states in the United Nations coalition against Iraq in 1991.
E) international monetary support helped lower the costs of the Iraq War.