" locked forever in the embrace of history. Wilson signed the resolution at 1:18 P.M. on April 6, 1917. To Winston Churchill, it was long overdue. In his memoir-like history The World Crisis, 1916–1918, he said of Wilson, “What he did in April, 1917, could have been done in May, 1915. "

― Erik Larson , Dead Wake: The Last Crossing of the Lusitania