The "Spirit of 1917" poster serves a political and social purpose, aiming to motivate and rally the American public during World War I. Its primary goal is to garner support for the war effort, specifically by encouraging citizens to buy war bonds.
The poster utilizes strong visual imagery and patriotic symbolism to evoke a sense of unity, duty, and national pride. The central figure of a determined Lady Liberty holding the American flag represents the spirit and resilience of the American people. The inclusion of soldiers in the background further emphasizes the call to contribute to the war effort.
The use of bold, vibrant colors and dynamic composition captures attention and conveys a sense of urgency. The text strategically placed at the bottom urges viewers to "Buy Liberty Bonds" as a means of financially supporting the war and ensuring victory.
Overall, the "Spirit of 1917" poster effectively combines political and social motivations by appealing to the public's sense of patriotism and duty, encouraging them to actively participate in the war effort by purchasing war bonds.