The Battles of Vicksburg and Gettysburg change the course of the Civil War in that it marked the end of the Confederacy it also predicted the end of slavery, and that the Union would win.
Explanation:
How many casualties did the Union suffer? The Confederacy? the battle of gettysburg
September 14, 1814
On September 14, 1814, Francis Scott Key pens a poem which is later set to music and in 1931 becomes America's national anthem, “The Star-Spangled Banner.” The poem, originally titled “The Defence of Fort M'Henry,” was written after Key witnessed the Maryland fort being bombarded by the British during the War of 1812.
A,C,d are the correct answers
Answer: (Answering the second prompt) The weapon that brought about the end of the war with Japan was the atomic bomb.
Explanation: Both the US and Japan had been developing the atomic bomb during WWII however the threat of atomic bomb attacks helped end the war with Japan.
I really hope this helps let me know if its wrong because I didn't watch the videos I just knew this because I just covered this unit in my history class.