A conclusion that can be drawn about the Allied invasion of Normandy in 1944 is that

The Allied invasion of Normandy, beginning with D-Day on June 6, 1944, involved fierce fighting to establish and expand a foothold in France. Although the invasion was difficult, it was not endless: Allied forces broke out of Normandy and advanced across France in the following weeks. Therefore, it was a short but difficult series of battles.

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