The main biological impact that occurs as a result of the encounter was the disease that had a strong negative influence on the western region.
The excerpts is a passage which tries to evaluate the biological impact that occurs as a result of the encounter between the Americas and Europe/ Africa during the 1450s.
The biological impact in the passage generally had a positive impact on the eastern world.
Also, there are different biological factors such as disease that had a strong negative influence on the western region.
In addition, they were also cultural and innovative like music, language, communication methods etc
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