I believe it is 2, good luck
The Battle of Antietam was the bloodiest one-day battle of the Civil War, with over 25,000 casualties total. It was a Union victory, which raised the confidence of Union troops. After a long winning streak, the Confederate troops lost and were forced back.
United Kingdom and Brazil
Abolitionists
The abolitionist movement was an organized effort to end the practice of slavery in the United States. The first leaders of the campaign, which took place from about 1830 to 1870, mimicked some of the same tactics British abolitionists had used to end slavery in Great Britain in the 1830s