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why and when
In WWII the battle of the Atlantic started with the beginning of the war in September 1939.
The Germans sent out their U-Boats to sink any ships that could be taking supplies to Britain.
Britain's ability to survive will decrease if the German U-boats attacked Britain's ships and submarines which carried supplies. -
who was involved
Germany
North America
Canada. Canada provided air force for USA.
Italy. Italy joined in June 10, 1940
Britain -
Facts
Almost 2/3 of Germany’s 41,000 U-Boat crew died during he war.
824,000 tons of ship were blew up in march 1942 alone.
Germany only deployed 42 vessels.
Britain had the largest fleet in the world and they needed 160,000 men to man them. -
how did the allies win the war
Allies had new technology e.g. radar.
Radar helped them track where the U boats were.
The allies were better at code breaking.
The allies were faster at building ships and aircraft.
Training was improved e.g. Naval tactics and using depth charges -
More info
The battle of the Atlantic lasted as long as ww2 itself.
By the summer of 1942 one allied ship was going down every four hours, yet German U-Boat losses remained frustratingly low.