Because the were undefeated during the war of 1812 so the answer its most likey A. Declared victory
Britain, the major power involved in the Atlantic slave trade, passed the comparable Abolition of the Slave Trade Act that same month.
This is the answer… maybe it will help you
This unexpected Northern win gave Lincoln the credibility to issue the Emancipation Proclamation without making it look like a desperate measure.The Proclamation made it ethically impossible for Britain to aid the Confederates - a most significant outcome.The battle also spelt the end for McClellan.Although he had won the battle, he failed to pursue and destroy the Army of Northern Virginia, which the whole of Lincoln's cabinet thought he should have done, and he was promptly replaced by Burnside.so i would say D is your answer to number 2 idk about 1