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.
I believe the answer is: <span>B) Congressional leaders wanted to restore the Union as quickly as possible.
At that time, the Congressional aware that restoring union would took a lot of time and money. This make them believe that by the time the restoration is dine, the confederates would also regained that power. Because of this, they made southern's reconstruction as their main priority</span>
Answer:
<h3>"It was to find a passage to Asia by sailing to the west east</h3>
Explanation:
We all know that he is born in 1492
George Washington. He was also the first president.