Medical technology to treat _______ allowed Europeans to more successfully colonize tropical areas during the 1800s. A. smallpox B. scarlet fever C. malaria D. bubonic plague

medical technology to treat malaria allowed Europeans to more successful colonize tropical areas during 1800s. During 1800s European considered malaria as a massive treat to their plan to colonize west Africa. The discovery for a medicine for malaria enabled European to colonize west Africa..