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Naval submarines operated by Germany.
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The first inexpensive industrial process for the mass production of steel.
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The first significant gold discovery in the Rocky Mountain Region.
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Accelerated the settlement of the western territory.
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Committed the federal government to grant each state 30,000 acres of public land.
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The completion of the Transcontinental Railroad, one of mankind's biggest accomplishments.
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Marked the most decisive Native American victory.
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A social organization on the central Texas frontier.
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The United States founded the Carlisle school at the site of an old military base.
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Thomas Edison creates the first electric light bulb.
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The first significant law restricting immigration into the United States.
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The first electrical lighting in New York City signaled a new era of urban illumination.
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Federal law that was designed to regulate the railroad industry.
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An act to provide for the allotment of lands to Indians on the various reservations.
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National federation of labor unions.
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Alfred T Mahan writes "The Influence of Sea Power upon History".
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Jacob Riis publishes "How the Other Half Lives".
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The first Federal act that outlawed monopolistic business practices.
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The slaughter of Lakota Indians by United States Army troops.
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Fredrick Jackson Turner writes an essay called, "The Significance of the Frontier in American History".
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Widespread railroad strike and boycott that severely disrupted rail traffic in the Midwest.
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A Supreme Court decision in which the Court ruled that racial segregation laws did not violate the U.S. Constitution.
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A U.S. labor law case in which the U.S. Supreme Court held a limitation on working time for miners and smelters as constitutional.
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Conflict between the United States and Spain that ended Spanish colonial rule.
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Hawaiian Islands were annexed by a joint resolution.
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United States paid Spain $20 million to annex the entire Philippine archipelago.
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A United States federal law that funded irrigation projects for the arid lands of 20 states in the American West.
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Canal that connects the Atlantic and Pacific oceans through the narrow Isthmus of Panama.
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A New York law limiting the number of hours bakers could work in a day and in a week.
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Wrote to expose the appalling working conditions in the meat-packing industry.
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Prohibited the sale of misbranded or adulterated food and drugs in interstate commerce.
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Limited the number of work hours for women for women did not violate the right to contract in the Fourteenth Amendment.
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The home of grassroots activism for civil rights and social justice.
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Imposes the forfeiture and liability to pay double the value of the goods received.
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Allowing voters to cast direct votes for U.S. senators.
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Henry Ford installs the first moving assembly line for the mass production of an entire automobile.
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Established the Federal Reserve System as the central bank of the United States.
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Austria-Hungary declares war on Serbia.
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A piece of legislation, passed by the U.S. Congress, and signed into law in 1914, that defines unethical business practices.
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German submarine (U-boat) U-20 torpedoed and sank the Lusitania.
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Congress voted to declare war on Germany, joining the bloody battle.
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An act to provide for the common defense by increasing the strength of the Armed Forces of the United States.
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After more than four years of horrific fighting and the loss of millions of lives, the guns on the Western Front fell silent.
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Prohibited the manufacture, sale, or transportation of intoxicating liquors.
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Granted women the right to vote.
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Provided immigration visas to two percent of the total number of people of each nationality in the United States.
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A law that severely restricted immigration by establishing a system of national quotas that blatantly discriminated against immigrants from southern and eastern Europe and virtually excluded Asians.
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The Statue of Liberty is built, gifted to us by the people of France.
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Journalist H. L. Mencken applied to the 1925 prosecution of a criminal action brought by the state of Tennessee against high school teacher John T. Scopes.