Desperate need of 4 questions which civil war battle was important in that the union army was able to stop robert e. lee's invasion of the north and marked the beginning of the end for the confederate forces in the east? yorktown shiloh vicksburg gettysburg save lincoln’s emancipation proclamation called to end the temperance movement called to end slavery in the south (confederacy) called to end the 14th amendment called to end slavery in the north (union) which civil war battle resulted in the union gaining strategic control of the mississippi river? gettysburg gettysburg antietam vicksburg save an example of lincoln’s use of an emergency power during the civil war was temporarily replacing congress with his cabinet to rule more directly dropping an atomic bomb on the confederate capital suspending the right of habeas corpus (prisoner taken before judge before imprisonment), so he could quickly jail confederate sympathizers in the north to preserve the union