Answer:
weaken the threat from al-Qaeda
Explanation:
After the 9/11 attack on the Twin Towers in New York, the US administration was quick to react to the terrorists, namely al-Qaeda. Afghanistan was the nation in which al-Qaeda had its strongest basis, as well as the majority of its leadership, so the US launched an attack on this nation. The invasion was going relatively well, and as planned, with the main goal of weakening and possibly totally destroying al-Qaeda being accomplished step by step. The end result was destruction of this terrorist organization, with its leader Osama bin Laden being captured and murdered as well.
B) They did not have a place in government.
One of the ways in which the Crusades brought about the end of the Dark Ages in Europe was that they (by accident) opened up a variety of new trade routes, which led to increased travel and cultural diffusion. This was thought to be the "spark in the dark" as the Enlightenment.
The answer is A. Hope it helps