Dating a canadian
She found that the threads of the cocoon were uncoiling and decided later to experiment with silkworms. Silk turned out to be very important to the economy of China and people kept its secret for thousands of years and the Great Wall of China helped them to do so.China was the land of numerous inventions that played an important role not only for the Chinese but for the rest of the world as well.The Four Great Inventions of ancient China include papermaking, the compass, gunpowder, and printing.Starting with the year 850, magnetized needles were commonly used as navigational devices on ships.
Zheng He from the Yunnan province in China was the first to use the compass as a navigational tool.
In the period between 14 he managed to carry out seven ocean trips.
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