Answer:
☆In Boston in early summer of 1765 a group of shopkeepers and artisans who called themselves The Loyal Nine, began preparing for agitation against the Stamp Act. As that group grew, it came to be known as the Sons of Liberty.
☆Sons of Liberty was a secret organization that was created in the Thirteen American Colonies to advance the rights of the European colonists and to fight taxation by the British government. It played a major role in most colonies in battling the Stamp Act in 1765.
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World War 1 because as Taskmasters said on this website, "Dadaism was an art movement of the European avant-garde, in the early 20th century, which was heavily influenced by World War I. It was anti-war and anti-bourgeois, and had political affinities with radical left. Some of the key figures of the Dada movement were: Hugo Ball, Emmy Hennings, Hans Arp, George Grosz, Max Ernst, Beatrice Wood, Tristan Tzara, Francis Picabia, etc. The movement influenced later styles in art such as Surrealism, Nouveau Realisme, pop art and Fluxus." (I quoted another guy's answer a.k.a. Taskmasters.
Explanation:
Because they were interested at their lands