This wartime poster shows Britain and the United States united. Uncle Sam is shown holding a sword in his right hand with his left arm linked with Britannia, a woman who represents Britain. She is holding a shield with the British flag in her right hand and a trident in her left hand. An eagle is to the left of Uncle Sam and a lion is to the right of Britannia. The poster reads, "Side by Side, Britannia! Britain's' day December seventh, 1918. Mass meeting." What was the purpose of this type of propaganda poster? to advocate a peaceful end to the war to intimidate Germany with a show of Allied strength to gain neutral nations’ support in the war effort to convince citizens to sacrifice for the war