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.
Okay this is just yk probably bad idk but
Christopher Columbus was once someone that everyone honored and everyone believed to be the founder of a beloved nation, America. Due to new ideas and knowledge, people’s perspective of Columbus has caused many differences in whether he should even be honored. Many believed that because he didn’t actually find America because Natives were already there and because Amerigo Vespucci was the first European to find it, we shouldn’t have a day dedicated to him. To support this, people also say that because he raped many Native women, assaulted and treated Natives poorly. There are many open discussions about whether he deserves a day for him or even if he’s a good person. Many who once thought he was a great person for “finding America”, now think he is an evil person because of what he did and should not be honored.
Answer:
I'm pretty sure it's A.
He told the French to leave the Ohio River Valley, behaved heroically at Braddock's defeat, and his surrender of Fort Necessity was considered one of the first battles of war. In 1753 Washington was sent as an ambassador from the British Crown to the French officials and Indians as far north as present-day Erie, Pennsylvania.
Answer:
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Explanation:
Help with what? there is no photo, or text :-:
