One main reason why John C Breckenridge supported the purchase of the Louisiana territory was because he thought it would held end the issue of slavery, by leaving it up to "popular sovereignty" in the new territory.
Answer:
The US removed Taliban from power because the Taliban was protecting Osama bin Ladin, the instigator of the attack of Sept. 11, 2001, with the destruction of the twin towers, the pentagon, and 4 aircrafts. With the Taliban not handing over the instigators, the US declared war and defeated the majority of Taliban during that time.
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