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:
This theme is important for showing how the past can affect the present. Although individuals only live a relatively short time, institutions, ideas, and problems can endure for long periods of time, even thousands of years. This is known as continuity. Although continuity is important in the study of history, historians also recognize that society is constantly undergoing change.
There are four different categories or production in business, these are:
capital, <span>labor, </span>land and <span>entrepreneurship.
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The secession of Southern States led to the establishment of the Confederacy and ultimately the Civil War. It was the most serious secession movement in the United States and was defeated when the Union armies defeated the Confederate armies in the Civil War, 1861-65. Hope this helps, good luck! :)
