Do Paleolítico superior em diante, há ampla evidência de que os primeiros humanos usavam outros materiais além de pedra, como osso, chifre e marfim, como parte de seu kit de ferramentas. os ossos longos (ossos dos membros) dos animais podem ser divididos e moldados em ferramentas como furadores, picaretas e agulhas.
Female infanticide is the deliberate killing of newborn female children. In countries with a history of female infanticide, the modern practice of sex-selective abortion is often discussed as a closely related issue. Female infanticide is a major cause of concern in several nations such as China, India and Pakistan.
The famous 19th-century activist Peter McGuire was assigned a nickname, Father.
McGuire most likely did more than anyone else to persuade skeptical, local-minded union activists across the country that a national labor federation was not only necessary, but also feasible. The formation of the AFL and its survival in its early years would have been impossible without his unwavering enthusiasm and practical example.
He introduced a resolution at a New York Central Labor Union meeting in 1882 calling for workers to lead a "festive parade through the streets of the city" on the first Monday of September. Over 30,000 marchers took part in the event.
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<span>It was an important centre of Islamic learning and a major trade centre at the cross roads of the Sahara trade routes. </span>