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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 ...
Ohio ( / oʊˈhaɪ.oʊ / ⓘ oh-HY-oh) [13] is a state in the Midwestern region of the United States. Ohio borders Lake Erie to the north, Pennsylvania to the east, West Virginia to the southeast, Kentucky to the southwest, Indiana to the west, and Michigan to the northwest. Of the 50 U.S. states, it is the 34th-largest by area.
A COVID‑19 vaccine is a vaccine intended to provide acquired immunity against severe acute respiratory syndrome coronavirus 2 ( SARS-CoV-2 ), the virus that causes coronavirus disease 2019 ( COVID‑19 ). Prior to the COVID‑19 pandemic, an established body of knowledge existed about the structure and function of coronaviruses causing ...
Beyoncé Giselle Knowles-Carter (/ b i ˈ ɒ n s eɪ / ⓘ bee-ON-say; née Knowles; born September 4, 1981) is an American singer, songwriter and businesswoman. Dubbed "Queen Bey", she is regarded as a prominent cultural figure of the 21st century and has been recognized for her artistry and performances, with Rolling Stone naming her one of the greatest vocalists of all time.
Principal component analysis ( PCA) is a linear dimensionality reduction technique with applications in exploratory data analysis, visualization and data preprocessing . The data is linearly transformed onto a new coordinate system such that the directions (principal components) capturing the largest variation in the data can be easily identified.
theweeknd .com. Signature. Abel Makkonen Tesfaye ( Amharic: አቤል መኮንን ተስፋዬ; born February 16, 1990), known professionally as the Weeknd, is a Canadian singer and songwriter. [2] [3] He is known for his unconventional music production, artistic reinventions, and signature use of the falsetto register. Tesfaye began releasing ...
No. 20-219, 596 U.S. ___ (2022) The Affordable Care Act ( ACA ), formally known as the Patient Protection and Affordable Care Act ( PPACA) and colloquially as Obamacare, is a landmark U.S. federal statute enacted by the 111th United States Congress and signed into law by President Barack Obama on March 23, 2010.
Bulgaria is a middle-sized country situated in Southeastern Europe, in the east of the Balkans. Its territory covers an area of 110,994 square kilometres (42,855 sq mi), while land borders with its five neighbouring countries run a total length of 1,808 kilometres (1,123 mi), and its coastline is 354 kilometres (220 mi) long. [113]