The document summarizes key events in the Global War on Terror following the 9/11 attacks. It describes the US invasion of Afghanistan to defeat Al Qaeda and the Taliban in 2001. It then outlines the Bush administration's case for invading Iraq in 2003 due to alleged WMD possession and terrorism ties, though no WMD were found. The document traces the ongoing conflicts and insurgencies in both Afghanistan and Iraq, as well as Al Qaeda attacks in Europe. It notes the human and economic costs of the prolonged wars.