History is primarily recorded facts of the happenings of the past. On the other hand the expression ‘the past’ refers to some events that took place not too long ago. This is the main difference between history and the past. The events of history are normally not perceived but only read in books and other media.
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.
Explanation: