The High Seas Fleet of Germany, costing her one billion five hundred million dollars, was bottled up.

Five million five hundred thousand tons of German shipping and one million tons of Austrian shipping were driven off the seas or captured; oversea trade and oversea colonies were cut off.

Two million oversea Huns of fighting age were hindered from joining the enemy.

Ocean commerce and communication were stopped for the Huns and secured to the Allies.

In 1916, 2100 mines were swept up and 89 mine sweepers lost.