One. The Battle of Antietam.
The reason I say one is because the Confederacy has better War Generals, they had a more experienced militia. That’s why they were undefeated for so long. But The battle of Antietam of 1862 was the battle the Union, the North, celebrated because of their first victory against the Confederacy, the South.
First legislative body in Virginia (bicameral)
The answer is A I hope I helped