Answer:
A major reason for the formation of groups like the National Congress of American Indians was to show the Whites that lived East of them that they were not the "savages" that they were as depicted by the newspapers, and that they can adapt and become like the whites. On top of that, it was to give them a structural government to rely on in case the Americans wanted to deport them west. Of course, this did not work, as most, if not all, Native American tribes were deported west.
Barack Obama was the 44th president.
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.
The Rough Riders comprised of a collection of Western cowboys and wealthy Eastern blue bloods officially known as the First U.S. Voluntary Cavalry. They were the first voluntary cavalry in the Spanish-American War which pitted the U.S against Spain over Spain's colonial policies with Cuba.
