Army recruits fill a New York street in mid-April 1917, after America’s entry into World War I

Source

http://www.newsadvance.com/news/local/photos-america-enters-world-war-i/collection_ffd600ea-19ff-11e7-9494-cbb1325cf607.html

Matt872000: All those hats…

Seeing as they are signing up for WWI, I doubt they have any real idea what they are signing up for…