 Complete the following phrase:  The lines most important ships were all sunk during the First World War. After the war four huge replacements for the Minne class ships were planned. Only two of these were built however and the passenger service, which recommenced in 1923, never matched pre-war successes. With first class travel declining the A.T.L. introduced a tourist third class ship in 1925 and for two seasons operated a second. But the line was faltering even before the 