The United States entered World War I in April 1917, and the rest of that year was spent in preparations to send an Army overseas “to make the world safe for democracy.” But the parades, speeches and patriotic zeal of that year didn’t prepare the nation or the Jersey Shore for the horrors of 1918. The Feb. 10, 1918, New York Times broke a story that showed there could be danger even at nearby Camp Dix.

“Candy offered for sale to the officers and men of the national army cantonment here were found today to be filled with…