The Song dynasty (Chinese: 宋朝; 960–1279 CE) provided some of the most significant technological advances in Chinese history, many of which came from talented statesmen drafted by the government through imperial examinations.
The ingenuity of advanced mechanical engineering had a long tradition in China. The Song engineer Su Song admitted that he and his contemporaries were building upon the achievements of the ancients such as Zhang Heng (78–139), an astronomer, inventor, and early master of mechanical gears.[1] The application of movable type printing advanced the already widespread use of woodblock printing to educate and amuse Confucianstudents and the masses. The application of new weapons employing the use of gunpowder enabled the Song to ward off its militant enemies—the Liao, Western Xia, and Jin with weapons such as cannons—until its collapse to the Mongol forces of Kublai Khanin the late 13th century.
Notable advances in civil engineering, nautics, and metallurgy were made in Song China, as well as the introduction of the windmill to China during the thirteenth century. These advances, along with the introduction of paper-printed money, helped revolutionize and sustain the economy of the Song dynasty.
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Answer: D. tribes formed around kinship and common ancestors.
Explanation:
The Mongols are an ethnic group originating from the places where Mongolia, Russia, and China are currently.
Formerly, the ethnic group was spread in several small tribes over thousands of kilometers. These tribes were composed of family nuclei with relatives in common.
The tribes were unified in a nation under the command of Genghis Khan; however, there were always few people.
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Egypt and China both had an abundance of waters. For Egypt, it was the Nile River, for China, the Yellow River. These rivers were really important to both of the civilizations in many ways. They both had systems of writing that incorporated simple pictures. Both the ancient Egyptians and Chinese were polytheistic. The Chinese and Egyptians were both technologically advanced. Both of them even had complex irrigation methods. Also, literacy was limited to a select amount of people for both civilizations. When it comes to differences between the two civilizations, they often come down to the detail. For example, both of them had organized governments but Egypt’s was a Theocracy and China’s was a Monarchy. Social hierarchy differed between the two, as well. In Egypt, the Pharaoh was the sun and stars over the whole of Egypt, he was believed to be a reincarnation of God. In china however, home and family were at the center of life. The two both built great structures, but the Egyptians made Pyramids while the Chinese built the Great Wall of China. The ancient Egyptians buried the dead with thought to preservation due to the belief that the souls could use their bodies in the after life.