The Afghan pipelines are only one step in U.S. political moves to take over the influence in the oil and gas rich former Soviet republics. Consuming 25 percent of the world oil consumption, their imperialism is first of all about energy. Today the U.S. already relies for over 60 percent on foreign oil, a percentage that is quickly increasing. The neoconservative ideas to transform the U.S. into a "dominant force" do not come out of nowhere.
The thought that they needed a "catastrophic and catalysing event" was not just motivated by the personal financial benefits several of them get from the war industries. It was also a sign of panic of a nation facing drying up oil wells and preparing itself to conquer foreign oil wells until the last drip is gone.