Dadaism was an art movement that emerged in the early 20th century as a reaction to the horrors of World War I. Dadaists rejected traditional forms and techniques, and instead created works that were often nonsensical, absurd, or anti-art.

The poster, created by Alfred Leete in 1914, became one of the most iconic images of World War I and helped to recruit millions of soldiers to the British Army.

Edward Hopper's "Nighthawks" is one of the most recognizable paintings in American art. It was created in 1942, during World War II, and captures the feeling of isolation and loneliness that many people felt during that time.

The "Why We Fight" series of films was produced by the US government during World War II to explain the war to the American public. The films were often highly propagandistic and depicted the enemy in a very negative light.

Pablo Picasso's "Guernica" is one of the most famous and powerful anti-war paintings ever created. It was painted in 1937, in response to the bombing of the Basque town of Guernica by the German and Italian air forces.

Dizzy Gillespie was a brilliant jazz trumpeter who was also a vocal opponent of war. He was a member of the American Communist Party and was often arrested for his political activism.

Ian Fleming created the character of James Bond in 1953. Bond is a secret agent who works for the British Secret Service and is known for his suave demeanor, his love of fast cars and beautiful women, and his deadly skills as a spy.

Leni Riefenstahl was a German filmmaker who was closely associated with the Nazi regime. Her film "Triumph of the Will" is a powerful and disturbing propaganda film that celebrates the Nazi Party and its leader, Adolf Hitler.

Clifford Odets was an American playwright who was known for his socially conscious plays. His play "Waiting for Lefty" was written in 1935 and was a powerful indictment of the economic inequality and social injustice that existed in America during the Great Depression.

Alfred Eisenstaedt's photograph of a sailor kissing a nurse in Times Square on V-J Day is one of the most iconic images of the 20th century. The photograph was taken on August 14, 1945, and it captured the joy and relief that Americans felt at the end of World War II.

Henry Moore's "The Unknown Soldier" is a powerful and moving sculpture that commemorates the British soldiers who died in World War I. The sculpture was created in 1956 and is located in Hyde Park, London.

Frank Capra was an American film director who is best known for his comedies, such as "It's a Wonderful Life" and "Mr. Smith Goes to Washington." During World War II, Capra directed the "Why We Fight" series of propaganda films, which were designed to explain the war to the American public.

Joe Simon and Jack Kirby created the character of Captain America in 1941. Captain America was a superhero who fought against the Nazis during World War II. He was a symbol of American patriotism and strength, and his adventures were hugely popular with readers.

T.S. Eliot's "The Waste Land" is one of the most important and influential poems of the 20th century. The poem reflects the disillusionment and despair that many people felt after World War I. It is a complex and challenging poem, but it is also a powerful and moving work of art.

Edvard Munch's "The Scream" is one of the most famous and iconic paintings in the world. The painting was created in 1893 and it depicts a figure standing on a bridge with a look of terror on its face. The painting is a powerful expression of the anxiety and despair that many people felt at the end of the 19th century.