As the passage of the Channel was closed to the U-boats, they had to reach their hunting -grounds in the North Atlantic by making the long and dangerous northward voyage around the Orkneys, and this limited their operational period conside

Some common words found in the essay are:
British U-boat, French Atlantic, British Admiralty, German U-boats, World War, Battle Britain, North Atlantic, Hitler Donitz, Admiral Donitz, Merchant Navy, german u-boats, merchant ships,
Approximate Word count = 426
Approximate Pages = 2 (250 words per page double spaced)