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
I think your answer would be (D.)
I’m not sure, sorry if I’m wrong!!
The winner of the Battle of Antietam was deemed inconclusive, although a tactical victory was claimed by the Union army and gave President Abraham Lincoln<span> the backing he needed to deliver the Emancipation Proclamation.</span>
The fifty-five delegates who met in Philadelphia between May 25 and September 17, 1787, would not only reject the Articles of Confederation altogether, but they would produce the first written constitution for any nation in the history of the world.