During World War I, the U.S. government, contractors, and advertisers alike printed large quantities of posters in order to deliver a variety of propaganda messages to the general public. Because they were printed in large numbers, vintage war posters can be more affordable than you might expect. Even though the United States would not enter World War I until 1917, the sinking of the RMS Lusitania in 1915 prompted artist Fred Spear to...Continue Reading