[...]line of policemen across a street to turn back intruders. A submarine blockade was as though a man, having police at his disposal, were to make occasional dashes into the street with a revolver and shoot passers-by. But this point need t be laboured, since American opinion was quite in agreement with ours. The point to consider is the retort that we made. Up to February we had allowed, t only foodstuffs but important articles for munition-making, like cotton, to proceed freely to Germany. On February 4 Germany anunced that ship would be allowed to sail to or from Great Britain and that all our shipping, including even fishing boats, would be sunk at sea by submarines. We replied on March 11 that, if they chose to put the war on that footing, we took up the challenge. After a certain date we would allow ship to carry goods to or from Germany, and, as for their murderous submarines, our fishermen should have arms and fight them. The submarine war has been at times extremely dangerous to us, and may be so again: but, as far as we can at[...].