The spread of diseases was a negative effect for C. the Columbian Exchange
During the Columbian exchange, the following cycle repeated:
- Europeans took enslaved people from Africa to the Americas
- They would then use those enslaved people to acquire raw materials in the Americas
- These raw materials were then taken to Europe where they were processed
As a result of this exchange, both Africans and Europeans carried diseases to the Americas that the Native Americans had no defense against. As a result of this, around 90% of the Native American population died.
In conclusion, the spread of deadly diseases like smallpox and measles to Native Americans, from Europeans and Africans, was a negative effect as it killed around 90% of the Native population.
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