the medicine that was discovered and removed a roadblock to European conquest of Africa was Quinine.
what does Qunine do?
Quinine is an anti-malaria drug that works to kill the parasites that infect the blood and cause malaria.
This allowed Europeans to conquer sub-Saharan Africa at a faster rate because it meant that malaria no longer killed Europeans in large numbers.
find out more on Qunine at https://brainly.com/question/17239452.
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