Many may not realize it, but in some instances women would follow troops around from place to place as they marched. They would give "comfort" to the men during downtime. The term "hooker" comes form Union general Joseph Hooker, who was well-known for keeping women-of-the-night near. The Union soldiers had about 200,000 confirmed cases of syphilis and gonorrhea. Likely, many deaths came from this. For the men who were not lucky enough to have a travelling sex-for-sale entourage, some would carry pictures of naked women that could be bought in secrecy. The best place to keep such "forbidden fruit" was inside their Bible, of all places!