singleton classes - significado y definición. Qué es singleton classes
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Qué (quién) es singleton classes - definición

AMERICAN ACTIVIST AND BUSINESSMAN (1809–1900)
Benjamin Singleton; Pap Singleton; "Pap" Singleton; Benjamin Pap Singleton; Benjamin "Pop" Singleton

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Singleton (disambiguation)
Non gender specific term somewhat akin to spinster, with less negative connotations (as popularized by Helen Fielding in Bridget Jones's Diary).
Just because you're a Singleton doesn't mean you can't lead a normal fulfilling life...
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Singleton (disambiguation)
A singleton is someone who is neither married nor in a long-term relationship.
Bank is a 38-year-old singleton who grew up in Philadelphia.
N-COUNT
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Singleton (disambiguation)
·noun In certain games at cards, as whist, a single card of any suit held at the deal by a player; as, to lead a singleton.

Wikipedia

Benjamin "Pap" Singleton

Benjamin "Pap" Singleton (1809 – February 17, 1900) was an American activist and businessman best known for his role in establishing African American settlements in Kansas. A former slave from Tennessee who escaped to freedom in Ontario, Canada in 1846, he soon returned to the United States, settling for a period in Detroit, Michigan. He became a noted abolitionist, community leader, and spokesman for African-American civil rights.

Singleton returned to Tennessee during the Union occupation in 1862, but soon concluded that blacks would never achieve economic equality in the white-dominated South. After the end of Reconstruction, Singleton organized the movement of thousands of black colonists, known as Exodusters, to found settlements in the free state of Kansas. A prominent voice for early black nationalism, he became involved in promoting and coordinating black-owned businesses in Kansas and developed an interest in the Back-to-Africa movement.