During WWI, the War Department sent American artists to Europe. The Smithsonian recently digitized the captivating artwork, see it and learn about it here
Charcoal, crayon, pastel, paper
overall: 19 5/8 in x 26 7/8 in; 49.8475 cm x 68.2625 cm
Charcoal, crayon, pastel, and gouache sketch on heavy textured cream wove paper. American troops are mounted on a team of horses pulling a large artillery piece through a shell-torn village. In the left foreground, a cross with a helmet hung from it marks a grave.