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Transcript

  • 1. BIG HISTORY By Cruz Major
  • 2. The Day the Universe Changed
    • The nature of history is constantly changing
    • Every generation is taught history different yet the main themes and concepts remain the same
  • 3. The Journey of Man
    • Spencer Wells traces human evolution back to our first ancestors
    • Evidence claims that the first humans derived from Africa
    • DNA samples from people around the world show that all living people are descendants of African ancestors
  • 4. The Journey of Man
    • Spencer Wells attempts to prove his theory that that the global migration of man began with a tribe of Africans who left their home some 60,000 years ago
    • He explains how he traced the exodus of modern humans from Africa by analyzing genetic changes in DNA
  • 5. Catastrophe
    • Key’s thesis is that a global climatic catastrophe in A.D. 535 to 536, a volcanic eruption, was the decisive factor that transformed the Ancient World into the Medieval Era
    • Writings from the time indicate a natural disaster in that year blocked the sun causing famine, flooding, and the plague
  • 6. Catastrophe
    • Keys used samples from trees, ice, lakes as well as documents of ancient chroniclers to provide evidence of his thesis
  • 7. The World and Trade
    • The experience of exploration is worth more than theory
    • The world beyond Europe was not quiet and sleepy in 1492
    • Exploration and activity was already being done by different peoples across the globe
  • 8. The World and Trade
    • The world was separated into different regions that rarely came into contact with each other
    • Although the Norse had reached the Western Hemisphere before the Spanish, Columbus's voyages had a much longer lasting impact
  • 9. Guns, Germs and Steel
    • Why did Europeans and Asians, come to control most of the world, rather than Africans, Native Americans or other people?
    • Jared Diamond’s theory is that there is no superior class of people, rather just bad luck
  • 10. Guns, Germs and Steel
    • Europeans and Asians achieved dominance because of their ability to domesticate animals due to the abundance of plants
    • The location of Europe and Asia made migration and the transfer of animals and goods much easier
  • 11. Guns, Germs and Steel
    • An abundance of food made it so that people could focus their time in other things rather than farming
    • For example a military
    • Places that were not fertile had no cavalry or form of defense because they could not allocate resources to do so