Which British shipping line has a full title incorporating Boston Packers, and operated the SS Justicia?
SS Justicia SS "Justicia was a British troopship sunk during the First World War. She was laid down as SS "Statendam, a 32,234 gross-ton ocean liner built for the Holland America Line by Harland and Wolff in Belfast. Before the ship was completed she was acquired by the British government and operated on behalf of the shipping controller by the White Star Line.
RMS Britannia RMS "Britannia" was an ocean liner of the British and North American Royal Mail Steam Packet Company, later known as Cunard Steamship Company. She was launched on 5 February 1840, at the yard of Robert Duncan & Company in Greenock, Scotland. The ship and her sisters, "Acadia", "Caledonia", and "Columbia", were the first ocean liners built by the company.