Answer: Matron: a married woman, especially one who is mature and staid or dignified and has an established social position.
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C. Brown vs. Board of Education
Edison invented the light bulb, which has an obvious significance for American culture. They are installed in practically every facility. Bell invented the first practical telephone, which is used by almost every American on a daily basis.
King John of England was so unpopular because he collected taxes, modernized the government, and exerted his power over the Church, Scotland and Ireland.