Multi party systems slowed dow the process of democratization
They were called "ragtime"
The answer is A, or It was a clear victory for the Northern states.
Explanation:
The Battle of Antietam stopped the Confederacy’s advance into the Northern territories. Because the North won a tough victory in this battle, the way was paved for the Emancipation Proclamation to be issued.
<span>Petroleum
Hope it helps!</span>