Answer:
A. The Invasion of Afghanistan
Explanation:
The statement that BEST completes the diagram is: "The Invasion of Afghanistan"
The attacks that occurred on September 11, 2001 angered the United States which led to the invasion of Afghanistan. The US war in Afghanistan was supported by their close ally, United Kingdom. The invasion became the first phase of the war in Afghanistan. The aim was to dissolve al-Qaeda and remove Taliban from power. There was move to capture Osama Bin Laden.