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The Bessemer process was the first inexpensive industrial process for the mass production of steel from molten pig iron before the development of the open hearth furnace.
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Green Russell and Sam Bates found a small placer deposit near the mouth of Little Dry Creek that yielded about 20 troy ounces of gold, the first significant gold discovery in the Rocky Mountain region.
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The Homestead Acts were several laws in the United States by which an applicant could acquire ownership of government land or the public domain, typically called a homestead.
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The Morrill Land Grant Act made it possible for states to establish public colleges funded by the development or sale of associated federal land grants.
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The completion of the Transcontinental Railroad is recognized as one of our country's biggest achievements and one of mankind's biggest accomplishments.
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The Statue of Liberty had completed its construction.
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The Battle of the Little Bighorn was a battle between the combined forces of the Lakota Sioux, Northern Cheyenne, and Arapaho tribes and the 7th Cavalry Regiment of the United States Army. The battle, which resulted in the defeat of U.S. forces, was the most significant action of the Great Sioux War of 1876
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The Farmers' Alliance was an organized agrarian economic movement among American farmers. One of the group's main goals was to form cooperatives.
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The Carlisle Indian Industrial boarding school was the first government-run boarding school for Native American children. The goal was to force the assimilation of Native children into white American society.
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Thomas Edison built his first high-resistance, incandescent electric light.
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It was the first significant law restricting immigration into the United States.
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Thomas Edison promised to light up New York with his lightbulbs using the very first central power station in the world, which he owned.
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The American Federation of Labor (A.F. of L.) was a national federation of labor unions in the United States that continues today. It was founded in Columbus, Ohio, in 1886 by an alliance of craft unions eager to provide mutual support and disappointed in the Knights of Labor.
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The Commerce Act applied the Constitution's “Commerce Clause”—granting Congress the power “to Regulate Commerce with foreign Nations, and among the several States”—to regulating railroad rates.
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the Dawes Act regulated land rights on tribal territories within the United States.
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Jacob Riis began making the photographs that would be reproduced as engravings and halftones in How the Other Half Lives, his celebrated work documenting the living conditions of the poor.
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The Sherman Anti-Trust Act was the first Federal act that outlawed monopolistic business practices.
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The Wounded Knee Massacre, also known as the Battle of Wounded Knee, was a massacre of nearly three hundred Lakota people by soldiers of the United States Army.
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Alfred Thayer's Mahan's The Influence of Sea Power Upon History was a two-volume work that argued that sea power was the key to military and economic expansion.
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Perhaps the most influential essay by an American historian, Frederick Jackson Turner's address to the American Historical Association on “The Significance of the Frontier in American History” defined for many Americans the relationship between the frontier and American culture.
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widespread railroad strike and boycott that severely disrupted rail traffic in the Midwest of the United States. The federal government's response to the unrest marked the first time that an injunction was used to break a strike.
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Plessy v. Ferguson, 163 U.S. 537, was a landmark U.S. Supreme Court decision in which the Court ruled that racial segregation laws did not violate the U.S. Constitution as long as the facilities for each race were equal in quality.
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Holden v. Hardy, 169 U.S. 366, is a US labor law case in which the US Supreme Court held a limitation on working time for miners and smelters as constitutional.
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The Spanish–American War began in the aftermath of the internal explosion of USS Maine in Havana Harbor in Cuba, leading to United States intervention in the Cuban War of Independence.
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When the Hawaiian islands were formally annexed by the United States in 1898, the event marked the end of a lengthy internal struggle between native Hawaiians and non-native American businessmen for control of the Hawaiian government.
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The United States paid Spain $20 million to annex the entire Philippine archipelago, which enraged the Filipino's and led to a rebellion.
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The Reclamation Act of 1902 is a United States federal law that funded irrigation projects for the arid lands of 20 states in the American West.
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Completed in 1914, the Panama Canal symbolized U.S. technological prowess and economic power.
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A case in which the Court held that the New York statute forbidding bakers from working more than 60 hours a week or 10 hours a day violated the Fourteenth Amendment.
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The Pure Food and Drug Act prohibited the sale of misbranded or adulterated food and drugs in interstate commerce and laid a foundation for the nation's first consumer protection agency, the Food and Drug Administration.
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Sinclair's primary purpose in describing the meat industry and its working conditions was to advance socialism in the United States. But, the novel's biggest impact at the time was provoking public outcry over passages exposing health violations and unsanitary practices in the American meat-packing industry
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A case in which the Court found that limiting the number of work hours for women did not violate the right to contract in the Fourteenth Amendment.
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The National Association for the Advancement of Colored People is a civil rights organization in the United States, formed as an interracial endeavor to advance justice for African Americans.
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That act provided, among other things, that anyone receiving, concealing, or buying goods, wares, or merchandise, knowing them to have been illegally imported and liable to seizure, 'shall forfeit and pay a sum double the amount or value of the goods, wares, or merchandise so received, concealed, or purchased.
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The 17th Amendment modified Article I, Section 3, of the Constitution by allowing voters to cast direct votes for U.S. senators.
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The 1913 Federal Reserve Act created the Federal Reserve System, known simply as "The Fed." It was implemented to establish economic stability in the U.S. by introducing a central bank to oversee monetary policy.
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Highland Park was the birthplace of Ford's moving assembly line, which led to mass production of the iconic Model T.
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The Clayton Act prohibits price discrimination. This is the act of selling the same product to different buyers and charging different prices based on who is purchasing the goods.
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WW1 was a major global conflict that lasted from 1914 to 1918. It was fought between two coalitions, the Allies and the Central Powers. Fighting took place throughout Europe, the Middle East, Africa, the Pacific, and parts of Asia.
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Although having been first created in 1850, the German U-boat fleet made its first strike on September 5, 1914, with an attack on a British light cruiser off the coast of Scotland that killed more than 250 sailors.
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The RMS Lusitania was a British-registered ocean liner that was torpedoed by an Imperial German Navy U-boat during the First World War.
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On April 4, 1917, the U.S. Senate voted in support of the measure to declare war on Germany.
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The Selective Service Act of 1917 or Selective Draft Act authorized the United States federal government to raise a national army for service in World War I through conscription.
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In 1918, the infusion of American troops and resources into the Western front finally tipped the scale in the Allies' favor. Germany signed an armistice agreement with the Allies on November 11, 1918.
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The 18th Amendment prohibited “the manufacture, sale, or transportation of intoxicating liquors” but not the consumption, private possession, or production for one's own consumption.
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The 19th amendment granted women the right to vote.
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The Immigration Act of 1924 limited the number of immigrants allowed entry into the United States through a national origins quota. The quota provided immigration visas to two percent of the total number of people of each nationality in the United States as of the 1890 national census.
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The National Origins Act, was a federal law that prevented immigration from Asia and set quotas on the number of immigrants from Eastern and Southern Europe.
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The Scopes Trial, also known as the Scopes Monkey Trial, was the 1925 prosecution of science teacher John Scopes for teaching evolution in a Tennessee public school, which a recent bill had made illegal.