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:
Germany lost territory to Belgium, Czechoslovakia, and Poland, return Alsace and Lorraine to France.
Explanation:
The Versailles treaty forced Germany to give up their territory due to Germany losing World War 1 in 1919.
The correct answer for 1 is
<span>b. trade and tribute gave the Aztecs more resources than the Olmec and Maya
Aztecs were known for having vast marketplaces in their cities where merchants gathered and traded not only food but also things like jewellery or gold or gems. They were known for trading all around them and Spanish people were amazed by it when they discovered it.
The correct answer for 2 is </span>
<span>b. peasant farmers made up the largest social class
Like in most places at the time, there were vast areas of land that were covered in crops and if there was no more land then the forests would be cleansed so that crops could be planted. This was common at the time.</span>