One of the goals of the post-9/11 war in afghanistan was to
use force to seize oil supplies,
contain the spread of communism.
weaken the threat from al qaeda.
remove saddam hussein from power

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 - those executed came from every social and economic class

the right answer is the third one: turnpikes went short distances to connect markets. turnpikes, also known as toll roads, were very important for trade and transportation (of people, goods and products) in the 19th century, coinciding with the expansion towards the west. they contributed significantly to the economic development of the united states.