New scientific knowledge help the building of the Panama canal because there was a decrease of workers getting sick of malaria and yellow fever. It was Colonel Gorgas, the Chief Medical Officer, who have read about discoveries linking mosquitoes and malaria. Due to these readings, he succeed in eradicating the cause of the disease therefore a decrease in people getting sick.
Answer:
im screwed please help
Explanation:
does not have to be that mcuh just 150-200 would be fine
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Answer:
Explanation: The American rule of Puerto Rico hurt them Puerto Ricans because they were not an independent nation. However, we also helped them by providing protection for the people and the property and eventually allowing them to have a say in government.
