Artifact Highlights. 1  Harriet Tubman Hymn Book (1876) 2  Jim Crow Railroad car (1920) 3  Rosa Park's Dress (1955) 4  Chuck Berryâs Cadillac (1973) 5  Marian Anderson Ensembel (1939) 6  Tuskegee Airmen Trainer Plane, an open-cockpit PT-13 Stearman (1944)
Hypergamy (colloquially referred to as marrying up) is a term used in social science for the act or practice of a person marrying another of higher caste or social status than themselves. The antonym hypogamy refers to the inverse: marrying a person of lower social class or status.
Polygamy in North America. Polygamy is the practice of taking more than one spouse. Polygyny is the specific practice of one man taking more than one wife: it is a common marriage pattern in some parts of the world.