 Marbury v. Madison (1803) |
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This landmark Supreme Court decision established the principle of judicial review, giving the courts the right to determine the constitutionality of the actions of the other two branches of government.
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| Massachusetts Personal Liberty Act (1855) |
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Passed in reaction to the Fugitive Slave Act of 1850, the Massachusetts Personal Liberty Act was among laws passed by Northern states in an attempt to protect Black residents from unwarranted arrest.
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| Matilda v. Isaac Vanbibber (1815) |
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Matilda was a Black girl, aged twelve or thirteen, who was brought into Indiana Territory and later forcibly removed to Missouri Territory and sold as a slave. In her petition for freedom, Matilda argued that she earned her freedom while in Indiana Territory by virtue of the Northwest Ordinance of 1787 which banned slavery in the new territories.
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| Medicine Lodge Treaty (1867) |
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Signed between the United States government and several of the Great Plains Native American tribes, the Medicine Lodge Treaties were a series of treaties relocating these Native American groups to Indian Territory. The October 21, 1867 treaty relocated the Kiowa and Comanche people.
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| Memorial of Chinese laborers resident at Rock Springs, Wyoming Territory (1885) |
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Over five hundred Chinese survivors of the 1885 racial violence in Rock Springs petitioned Huang Sih Chuen, the Chinese consul at New York, providing testimony of the white-led massacre and detailing the circumstances through which they lost property. Survivors demanded bodily protection and property compensation, while invoking recent treaty stipulations between the U.S. and China
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| Milly v. Mathias Rose (1819) |
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In this freedom suit, Milly sued for her freedom on behalf of herself and her two children Eliza and Bob. Milly argued that she should be free on account of being held in slavery in the free Illinois Territory.
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| Mima Queen & Louisa Queen v. John Hepburn (1813) |
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This unsuccessful freedom suit reflects the legal challenges to slavery and hinged on the Supreme Court's decision that hearsay about family genealogy could not be used as evidence, setting later precedent. Mina (spelled Mima in the court record) Queen petitioned for her freedom and that of her daughter on the grounds that her great grandmother Mary Queen was a free woman of color. When the lower court disallowed critical testimony about Mary Queen's origins and status, Queen appealed the decision to the U.S. Supreme Court on a writ of error, arguing that hearsay testimony should be allowed in a petition for freedom case. The Supreme Court denied the appeal, upholding the lower court's ruling.
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| Miscarriage (1867) |
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The Illinois state statute regarding miscarriage reflects the diverse landscape of abortion law in the nineteenth century. This law punished individuals for helping pregnant women obtain a miscarriage.
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| Mississippi Black Codes (1865) |
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Black Codes were enacted by former slave states following the abolishment of slavery with the 13th Amendment in order to restrict the freedom of Black people. Mississippi was the first state to pass such codes in November 1865. Laws like these to the passage of the Civil Rights Act of 1866 and the Fourteenth Amendment.
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| Missouri Compromise (1820) |
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The Missouri Compromise admitted Missouri into the Union as a slave state and Maine as a free state. The compromise also suggested that slavery be prohibited north of the 36°30' latitude, which was followed until the Kansas-Nebraska Act of 1854.
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| Missouri v. Celia - Newspaper Coverage (1855) |
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In 1855, the Callaway County Circuit Court in Missouri convicted eighteen-year-old Celia of murdering her enslaver. Her case considered whether she was guilty of murder or if she could be acquitted due to self-defense from sexual assault. The court ruled that Celia's enslaved status prevented her from being eligible to protect herself, and she was sentenced to death. Newspapers in Missouri reported on the murder and resulting trial.
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| Monroe Doctrine (1823) |
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In an address before Congress, President James Monroe warned European powers not to interfere in the affairs of the Western Hemisphere. The United States continued to invoke the Monroe Doctrine in its foreign policy through to today.
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| Native American Citizenship and Competency During the Allotment and Assimilationist Era |
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This teaching module explores how citizenship featured in Native American policy during the Allotment and Assimilation Era. It highlights the first formal naturalization process for individuals on a national scale. Focusing on competency commissions from 1915 to 1920, this unit guides students in analyzing how legal assessments of "competency" in the context of citizenship were shaped by race, gender, and settler values. Using primary documents— including applications, inspection reports, and naturalization rituals—this module examines how federal policies enforced whiteness and domestic norms as criteria for inclusion. The module also encourages discussion about the dual role of citizenship as both a tool of assimilation and a potential resource for Native resistance and legal agency.
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| Naturalization Act of 1870 |
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The 1870 Naturalization Act extended paths to United States citizenship for people of African descent while excluding Chinese immigrants.
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| Nebraska Vagrancy Law (1881) |
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Vagrancy acts passed by the Nebraska state legislature reflected race-neutral legal language that was used to target the poor, people of color, and women.
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| Negroes and Mulattoes (1851) |
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Part of the Black Codes passed by Northwest Ordinance states prior to Reconstruction, this article in the Indiana Constitution is an example of the way "free" states ensured white supremacy.
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| New Jersey Disfranchisement Statute (1807) |
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This New Jersey statute explicitly banned women and free people from color from voting, after these groups had been enfranchised since 1776. When New Jersey rewrote its constitution in 1844, it explicitly denied women and African Americans the right to vote.
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 Notice to Republican Voters of the 9th Congressional District of Virginia (1902) |
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This broadside publicized information about new voting laws and poll taxes in Virginia.
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| Of Colored Persons (1871) |
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This act passed by the Virginia General Assembly reflects the race-neutral language of the legal code after the Civil War. Application of these statutes resulted in entrenched Jim Crow segregation.
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| Of Masters and Apprentices (1887) |
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Acts passed by the Virginia General Assembly reflected race-neutral language of the legal code after the Civil War. Application of these statutes resulted in entrenched Jim Crow segregation.
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| Oklahoma's Poor Rich Indians: An Orgy of Graft and Exploitation of the Five Civilized Tribes, Legalized Robbery (1924) |
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The introduction of Zitkala-Ša's groundbreaking report opened the scene on fraud facilitated by guardians, lawmakers, and county clerks at the expense of minors, heirs, and incompetents during early Oklahoma statehood, and focused on probate courts as a site of legal exploitation.
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| Opinion of Judge Hays on Slavery in California (1856) |
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In the decision in this case, a California judge ruled that Biddy Mason and her three children, as well as a woman named Hannah and her nine children and grandchildren, were "free forever" after their enslaver brought them into the free state of California to reside. The judge's opinion was published in the official newspaper of the American Anti-Slavery Society.
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| Page Act (1875) |
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The Page Act was a federal law that profiled Chinese and other women immigrating from Asian countries as immoral, barring them from entering the United States.
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| Paul Jones v. George W. Jones (1840) |
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Paul Jones initiated a suit in a Wisconsin Territory court against George W. Jones for several sums of money owed to him for labor, goods, wares, and merchandise. George argued that Paul was purchased as a slave for life from French inhabitants who were entitled to hold slaves according to the Northwest Ordinance of 1787.
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| Pensionado Act (1903) |
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This act, passed in the aftermath of the Philippine–American War, established a scholarship program for Filipino people to receive an education in the U.S.
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