Answer: Black cowboys have been part of Texas history since the early nineteenth century, when they first worked on ranches throughout the state. A good many of the first black cowboys were born into slavery but later found a better life on the open range, where they experienced less open discrimination than in the city.
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Answer:
HIV crossed from chimps to humans in the 1920s in what is now the Democratic Republic of Congo. This was probably as a result of chimps carrying the Simian Immunodeficiency Virus (SIV), a virus closely related to HIV, being hunted and eaten by people living in the area
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