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Frederick Douglass (born Frederick Augustus Washington Bailey, c. February 1817 or February 1818 [a] – February 20, 1895) was an American social reformer, abolitionist, orator, writer, and statesman. He became the most important leader of the movement for African-American civil rights in the 19th century. After escaping from slavery in ...
Question answering. Question answering ( QA) is a computer science discipline within the fields of information retrieval and natural language processing (NLP) that is concerned with building systems that automatically answer questions that are posed by humans in a natural language. [1]
Dame Jane Morris Goodall DBE ( / ˈɡʊdɔːl /; born Valerie Jane Morris-Goodall; 3 April 1934), [3] formerly Baroness Jane van Lawick-Goodall, is an English primatologist and anthropologist. [4] She is considered the world's foremost expert on chimpanzees, after 60 years' studying the social and family interactions of wild chimpanzees.
Christopher Columbus (/ k ə ˈ l ʌ m b ə s /; between 25 August and 31 October 1451 – 20 May 1506) was an Italian explorer and navigator from the Republic of Genoa who completed four Spanish-based voyages across the Atlantic Ocean sponsored by the Catholic Monarchs, opening the way for the widespread European exploration and European colonization of the Americas.
Alexander III of Macedon ( Ancient Greek: Ἀλέξανδρος, romanized : Alexandros; 20/21 July 356 BC – 10/11 June 323 BC), most commonly known as Alexander the Great, [c] was a king of the ancient Greek kingdom of Macedon. [d] He succeeded his father Philip II to the throne in 336 BC at the age of 20 and spent most of his ruling years ...
Gmail is an email service provided by Google. As of 2019, it had 1.5 billion active users worldwide, making it the largest email service in the world. [1] It also provides a webmail interface, accessible through a web browser, and is also accessible through the official mobile application. Google also supports the use of third-party email ...
Learned helplessness. Learned helplessness is the behavior exhibited by a subject after enduring repeated aversive stimuli beyond their control. It was initially thought to be caused by the subject's acceptance of their powerlessness, by way of their discontinuing attempts to escape or avoid the aversive stimulus, even when such alternatives ...
Akshay Bhatia. Akshay Bhatia (born January 31, 2002) [2] is an American professional golfer. He made his first PGA Tour start in 2019 at the age of 17 after receiving a sponsor exemption into Valspar Championship. [3] He turned pro later that year and made his professional debut at Sanderson Farms Championship that fall.