HISTORY
ANCIENT CHINA
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Bronze
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Steel
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Iron
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Copper
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Detailed explanation-1: -In addition to Zhou-era China’s (c. 1046 – 256 BCE) previous inventions of the blast furnace and cupola furnace to make pig iron and cast iron, respectively, the Han period saw the development of steel and wrought iron by use of the finery forge and puddling process.
Detailed explanation-2: -The Han had a large and well-organized army. All men from about ages 25 to 60 had to serve two years in the army. Historians estimate that Han armies had 130, 000 to 300, 000 men. The army was helped by new technologies.
Detailed explanation-3: -Advancement in science and technology was also sought by the rulers, and the Han invented paper, used water clocks and sundials, and developed a seismograph. Calendars were published frequently during the period.
Detailed explanation-4: -The Invention of Paper. The Suspension Bridge. Deep Drilling. The Wheelbarrow. The Seismograph. The Blast Furnace. The Adjustable Wrench. The Moldboard Plow. More items •20-Sept-2019