The Columbian Exchange
columbian exchange: transfer of plants, animals, disease, and technology between old world and new world
old world: where Columbus came from
new world: where he found and conquered
after 1490s, an intermingling of life-forms long separated by geography
people, mostly in one direction
about 2.6 million europeans
about 12 million africans
crops and domesticated animals
horse changed the lifestyles of native americans
old world animals expanded food base in new world
invasive plant and animal species
epidemic diseases
smallpox, influenza, typhus, measles, diphtheria, scarlet fever
native american populations collapsed
shorter history of large urban centers that breed disease
up to 90% losses in first 150 years
compounded by other factors, especially violence and instability
european brutality
3 causes for why the europeans wanted to migrate and expand:
god
gold
glory
columbian exchange: transfer of plants, animals, disease, and technology between old world and new world
old world: where Columbus came from
new world: where he found and conquered
after 1490s, an intermingling of life-forms long separated by geography
people, mostly in one direction
about 2.6 million europeans
about 12 million africans
crops and domesticated animals
horse changed the lifestyles of native americans
old world animals expanded food base in new world
invasive plant and animal species
epidemic diseases
smallpox, influenza, typhus, measles, diphtheria, scarlet fever
native american populations collapsed
shorter history of large urban centers that breed disease
up to 90% losses in first 150 years
compounded by other factors, especially violence and instability
european brutality
3 causes for why the europeans wanted to migrate and expand:
god
gold
glory