The Battle of Gettysburg :)
Explanation:
After a year of defensive victories in Virginia, Lee’s objective was to win a battle north of the Mason-Dixon line in the hopes of forcing a negotiated end to the fighting. Lee lost. It was a Union Victory. The loss there dashed hopes of the Confederate States of America to become an independent nation.
His discovery of the role of oxygen. He recognized and named oxygen and hydrogen and opposed the phlogiston theory. He helped construct the metric system, wrote the first extensive list of elements, and helped to reform chemical nomenclature.
C. Had propaganda made that promoted them as being aligned politically and personally.
