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Gitlow v. New York, a 7-2 U.S. Supreme Court ruling, upheld a conviction under New York’s criminal anarchy law but also ruled that the…

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National League of Cities founded to foster professional development, share information, and lobby the federal government on behalf of cities.

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Port Authority of New York and New Jersey is an interstate compact approved by the Congress to oversee seaports, airports, bridges, tunnels, and bus…

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International City/County Management Association founded to professionalize city and county management, provide education and credentialing, share information, and monitor federal activities.

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Sixteenth Amendment to the U.S. Constitution gave the Congress authority to tax personal and corporate income “from whatever source derived,” thereby greatly increasing the…

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National Governors Association founded as a nonpartisan organization to help support governors, coordinate activities among governors, and lobby the federal government.

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Lochner v. New York, a controversial 5-4 U.S. Supreme Court ruling, struck down a New York law that set bakery worker hours at no…

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Allgeyer v. Louisiana, a unanimous decision voiding a Louisiana law for violating an individual’s liberty of contract, marked the first time the U.S. Supreme…

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Plessy v. Ferguson, a landmark 7-1 Supreme Court decision, upheld racial segregation in public accommodations by declaring that laws requiring “separate but equal” public…

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National Civic League was founded as the National Municipal League by leading Progressive reformers such as Theodore Roosevelt, Louis Brandeis, and Frederick Law Olmsted…

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Uniform Law Commission (aka National Conference of Commissioners on Uniform State Laws) was established as a nonprofit, volunteer association of commissioners from each state…

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Sherman Antitrust Act prohibits monopolistic business practices, such as trusts, deemed by the federal government to restrain interstate or foreign commerce and allows the…

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Interstate Commerce Commission Act created the Interstate Commerce Commission with authority to regulate railroads. This first federal agency to regulate interstate commerce was dissolved…

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