The Union’s victory at Gettysburg was significant because it? A.) Prevented Britain and Russia from intervening in the Civil War
B.) Promoted Abraham Lincoln to issue the EmancipationProclamation
C.) Halted the last major Confederate invasion of the North
D.) Gave the Union control over the Mississippi River
E.) Caused the Confederacy to surrender

Someone please help me answer this question ASAP

C. halted the last major Confederate invasion of the North

Explanation:

Gettysburg is located on a very strategic location that connected the north and southern states. If the confederates manage to conquered Gettysburg, they will have more mobility to maneuver their soldiers toward various territories in northern states.

This will gave the confederates massive advantages during the war.

By winning the battle at Gettysburg, the Union forces prevented this from happening and forced the civil war to be conducted on southern ground. On every battle, the damage that's caused by the battlefield keep destroying southern states' economy to the point where they had no choice but to surrender.

answer:

it caused mass african migration, african populations to grow, african empires to topple, and racism against slaves to emerge.

which statement explains one of the reasons world war 1 was so much more destructive than earlier conflicts