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William Crawford Gorgas, (born Oct. 3, 1854, Mobile, Ala., U.S.—died July 3, 1920, London, Eng.), U.S. Army surgeon who contributed greatly to the building of the Panama Canal by introducing mosquito control to prevent yellow fever and malaria.
Explanation:
Socially, this period isn't a mediator time between the prosperous Great and Magnificent ones, as it was depicted previously. Aristotle the dad of current sciences, Menander the incredible comedies' creator, Epicure the moralist, Eratosthenes, yet additionally Euclid, Archimedes, and Polybius lived and worked amid the Greek Time frame. This period indicated advance in design, a ton of incredible euergetism (charitable donattions to the network), a duplication of gala days and festivities (appeared by the extraordinary number of made theaters), the improvement of workmanship and the making of libraries, with the most renowned being in Alexandria.
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The Incas has to make flat land in order to farm since they lived in the mountains, they did this by creating terraces. terraces were carved steps of land in the mountainside. Not only did this genius way of farming help them grow crops,but it was also great for irrigation and preventing drought.