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.
<span>Great Britain did no receive any land in Europes mainland during the Congress of Vienna. The country did however, receive considerable holdings in the new colonies. The rest of the nations in the Congress of Vienna, received at least some portion of land in Europe.</span>
Answer:
B
Explanation:
President Polk did not support war
GIVE ME BRAINLLIEST
The answer is “Immigrants we’re confronted with cultural shock”.