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Naval submarines operated by Germany, particularly in the First and Second World War.
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This 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.
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This act provided that any adult citizen, or intended citizen, who had never borne arms against the U.S government could claim 160 acres of surveyed government land.
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This 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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This railroad became the first line across the United States. This helped bring products of eastern industry to the growing populace beyond the Mississippi.
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This statue is recognized as a universal symbol of freedom and democracy.
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An armed engagement between the combined forces of the Lakota Sioux, Northern Cheyenne, and Arapaho tribes of the United States army.
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This provided a much safer alternative to the open flame of the gaslight. Edison was trying to come up with a high resistance system that would require far less electrical power than was used for the arc lamps.
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This was an organized agrarian economic movement that sought to improve the economic conditions for farmers through the creation of cooperatives and political advocacy.
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The first-government-run boarding school for Native American Children.
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This was the first law restricting immigration into the United States. This act provided an absolute ban on Chinese laborers immigrating to the United States.
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Edison's company flipped the switch on his Pearl Street power station on Sept 4, 1882, providing hundreds of homes with electricity.
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This was dedicated to the principles of craft unionism. A national federation of labor unions in the United States that continues today as the AFL- CIO.
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This act addressed the problem of railroad monopolies by setting guidelines for how the railroads could do buisness.
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This act regulated land rights on tribal territories within the United States.
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He published "How the Other Half Lives" and this novel stimulated the first significant New York Legislation to curb poor conditions in tenement housing.
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This act prescribed the rule of free competition among those engaged in commerce.
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This was a massacre of nearly three hundred Lakota people by soldiers of the United States Army.
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His thesis was about a settler colonial exceptionalism, under the guise of American democracy, was formed by the appropriation of the rugged American frontier.
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He argued that British control of the seas, combined with a corresponding decline in the naval strength of its major European rivals.
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This was a widespread railroad strike an boycott that severely disrupted rail traffic in the Midwest of the United States.
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This was a landmark U.S supreme court decision in which the Court ruled that racial segregation laws did not violate the constitution as long as the facilities for each race were equal in quality.
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This began in the aftermath of the internal explosion of USS Maine in Havana Harbor in Cuba, leading to the U.S Intervention in the Cuban war of Independence.
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This was a U.S labor law case in which the US Supreme Court held a limitation on working time for miners and smelters as a constitutional.
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This extended U.S territory into the pacific and highlighted resulted from economic integration and the rise of the United States as Pacific Power.
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The U.S paid Spain $20 million dollars to annex the entire Philippines archipelago.
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This federal law funded irrigation projects for the arid lands of 20 states in the American West
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An artificial 82 km waterway in Panama that connects the Atlantic Ocean with the Pacific Ocean and divides North and South America.
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This was a landmark decision of the U.S Supreme Court holding that a New York State Statue that prescribed maximum hours for bakers violated the bakers' right to freedom of contract under the 14th amendment to the U.S Constitution
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Upton Sinclair wrote The Jungle to expose the appalling working conditions in the meat-packing industry.
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This was the first series of significant consumer protection laws which was enacted by Congress.
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This was a landmark decision by the United States Supreme court. Women were provided by state mandate lesser work-hours than allotted to men.
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The National Association for the Advancement of Colored People is a civil rights organization in the United States.
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This action of debt was brought by the US to recover a penalty under the statue of Congress of March 3, 1903
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Allows voters to cast direct votes for U.S senators
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His innovation reduced the time it took to build a car from more than 12 hour to one hour and 33 minutes
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This law created the Federal Reserve System, the central banking system of the U.S
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This act prohibits price discrimination. 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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A major global conflict that lasted from 1914 to 1918. It was fought between two coalitions, the allies and the central powers.
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A British-registered ocean liner that was torpedoed by an Imperial German Nay U-boat during the First World War.
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U.S Senate voted in support of the measure to declare war on Germany.
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This authorized the Federal Government to temporarily expand the military through conscription.
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After more than 4 years of horrific fighting and the loss of millions of lives, the guns on the Western front fell silent.
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Prohibits the "manufacture, sale, or transportation of intoxicating.
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The right of citizens of the United States to vote shall not be denied or abridged by the United States or by any state on account of sex.
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This limited the number of immigrants allowed entry into the United States through a national origins quota.
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This federal law prevented immigration from Asia and set quotas on the number of immigrants from Eastern and Southern Europe
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This was brought by the state of Tennessee against a high school teacher named John T. Scopes for violating the states's butler act, which prohibited the teaching evolution in public schools.