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Human displacements, epidemics (Black Death), wars and new politics.
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Technological, social, industrial and cultural transformation. The telephone, automobile, and other things emerged. -
Big technological development with discoveries like the radio, television, technology applicator to the medicine and others. -
Technology and communications transform the industry worldwide. AI started in education, companies, homes and more places. -
Use of rocks for the fabrication of utensils. -
Creation of utensils in metal, discovery of paper