Answer:
Slavery played the central role during the American Civil War. The primary catalyst for secession was slavery, especially Southern political leaders' resistance to attempts by Northern antislavery political forces to block the expansion of slavery into the western territories
Bush's Doctrine of Preemption was a foreign policy approach anchored on a unilateral approach to protecting the best interests of the United States. President Bush <span>Bush took an oath to defend the United States from all enemies, both foreign and domestic. Consequently, he adopted a unilateral approach in accomplishing these.</span>