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  1. Hace 3 horas · Ada Lovelace was a 19th century mathematician and the world’s first computer programmer. She is also popularly known for breaking expectations of her time regarding both class and gender. NBT

  2. Hace 3 horas · In the 19th century, the Philippines was developed both as a source of raw materials and a market for manufactured goods." (Source: Wikipedia) This system of producing raw materials as Philippine exports and importing finished goods from merchants all over the world started the country's economic difficulties.