12inch x 18inch Poster James Montgomery Flagg (1877 ? 1960) was an American artist and illustrator. He is most famous for his war effort posters but he also work for magazines, did cartoons, and even paintings. Americans were not eager to enter the war, and Americans of German ancestry tended to support Germany, not Britain and France. The government?s first task was to convince citizens that they must support the war effort without reservation. Here, a woman clad in the stars and stripes represents America and American liberty. There is a border around the image. The image size is correct.