Answer:
Gettysburg ( A )
Step-by-step explanation:
The battle of Gettysburg was the battle considered as he deadliest and bloodiest battle of the American civil war it was a 3 day battle( July 1 -3 ) 1863 that saw the Union cavalry launch an attack on the confederate forces that had invaded the north from invading the North for the second time , there was alot of casualties and the union Calvary/army were victorious during this battle.
The battle of Gettysburg is considered the turning point of the American civil war because of the effect the result of the War had on the people of America.