short term impact
In the end, the Allies won the Battle because they were still able to deliver supplies to Europe. Around 2 million tons of supplies and 2 million troops were delivered to Europe from America. But the Germans did succeed a little bit, they sunk over 3 million tons of Allied supplies during the battle. The Allies won because of their tactics, planning and new technologies. The Germans lost 30,000 men and ⅔ of all their U-boats were sunk.