3 set 1939 ano - 1. Battle of the Atlantic

Descrição:

Began September 1, 1939 and lasted till 1945 (the whole war). German U-boat Wolf-Packs attacked US owned supply ships across the North Atlantic. The US defended themselves with convoy system and improved radar capabilities.
Significance - This conflict between Great Britain, the US, and German was the longest battle of WWII which cost tons of ships and money.

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