The major platform of the Republican Party in the 1850s was an antislavery platform. Antislavery leaders opposed the extension of slavery into even more territories. Their opposition of slavery ended up helping them to join forces.
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To invade Afghanistan and topple the Taliban government" was the United States' first response among the following choices given in the question to the <span>terrorist attacks of September 11, 2001. The correct option among all the options that are given in the question is the second option or option "b".</span>