HISTORY
THE MUSLIM WORLD AND AFRICA
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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The Invention of the crossbow
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the use of fire arrows and miniature rockets to repel foreign invaders
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the division of China into warring kingdoms
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the defeat of Japan by China
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Detailed explanation-1: -Gunpowder is the first explosive to have been developed. Popularly listed as one of the “Four Great Inventions” of China, it was invented during the late Tang dynasty (9th century) while the earliest recorded chemical formula for gunpowder dates to the Song dynasty (11th century).
Detailed explanation-2: -Song military engineers found gunpowder to be helpful in siege warfare, leading to the development of early types of rockets, cannons, bombs, and mines.
Detailed explanation-3: -The Chinese believed these natural “firecrackers” would ward off evil spirits. Sometime during the period 600-900 AD, legend has it that a Chinese alchemist mixed potassium nitrate, sulfur and charcoal to produce a black, flaky powder – the first “gunpowder”.
Detailed explanation-4: -Black powder is a combination of potassium nitrate (also called saltpeter), sulfur, and charcoal (which will be represented by “C”) and is used today primarily in historical weapons, fireworks, and pyrotechnics.