They were looking for a purpose, and the only purpose, their sole reason d'etre, as far as military alliances go, is waging war.
The Lisbon Agreement was the most overt example of interference ("If you don't like it, don't sign it," Warren Zimmerman to the Bos. Muslim leader Alija Izetbegovic), but not the only time the U.S. made any kind of peace impossible.
Have you read the source I referenced?
Some "war". The Serbs were lucky the Croats were ordered to stop in August 1995.