How did the battle of Gettysburg affect the course of American history
Will give brainlist

It changed the way we see each other.

Explanation: (This is from my personal opinion)

The Battle of Gettysburg was a very significant battle in the Civil War. This is because since the Civil War was about trying to figure out if slavery should be abolished or not, it changed our views on our fellow American citizens. It showed us that we shouldn't be killing each other due to the color of our skin. It showed us that all men are created equal.

answer; the correct answer to the above statement is to increase the production of milk in a herd of milk cows, the highest producing cows were chosen as the mother;