In April, 1917, when the Balfour mission visited the United States to arrange for American cooperation with the Allies, Frank L. Polk, Counsellor for the Department of State, jocosely said, “You will find that it will take us only two months to become as great criminals as you are.” Polk’s forecast has become common opinion, while American disclaimers of participation in crime are forgotten. The truth is that the United States continued to insist that certain Allied practices were illegal and refused to cooperate in them. On two separate occasions the Department of State informed members of the Balfour mission that the American attitude toward certain belligerent maritime measures remained unchanged. Mr. Lester H. Woolsey, then Law Adviser, later Solicitor, for the Department of State, wrote in a memorandum summarizing the attitude taken by American representatives in oral discussions with the British: “Great Britain has heretofore attained the objects set forth… through her exercise of belligerent maritime measures, depending upon the prize court to condemn property violating those measures. The United States regards certain of the measures in question as illegal; …” A few days later Mr. Woolsey, in discussing two proposals for bunker control suggested to him by the British, said: