William Wood, Flag and Fleet: How the British Navy Won the Freedom of the Seas
“ The Germans put their wits to work with hellish cunning. They wanted to surround Great Britain with a sea of death so full of mines and submarines that no ship could live. The mines were not placed at random, but where they would either kill their victims best or make them try another way where the lurking submarines could kill them. The sea-roads into great ports like London and Liverpool converge, just as railway tracks converge toward some great central junction. ”
