Alfred Thayer Mahan, The Influence of Sea Power upon History… (1890)
“ Where the revenues and industries of a country can be concentrated into a few treasure-ships, like the flota of Spanish galleons, the sinew of war may perhaps be cut by a stroke; but when its wealth is scattered in thousands of going and coming ships, when the roots of the system spread wide and far, and strike deep, it can stand many a cruel shock and lose many a goodly bough without the life being touched. Only by military command of the sea by prolonged control of the strategic centres of commerce, can such an attack be fatal ”
