[Solved] ________ Mental retardation,simian crease,and heart defect A)47, XXX B)45, XO C)Trisomy 18 D)Trisomy 21 E)47, XXY Civil Rights Bill: Legislation aimed at protecting the civil rights of individuals, often focusing on preventing discrimination based on race, religion, sex, or national origin. 1866: A year notable for events such as the end of the American Civil War and the beginning of the Reconstruction era in the United States. Equality Before Law: The principle that each individual is subject to the same laws, with no individual or group having special legal privileges. Fourteenth Amendment: An amendment to the U.S. Constitution, ratified in 1868, that grants citizenship to all persons born or naturalized in the United States, including former slaves, and provides all citizens with equal protection under the laws.