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Accidentally discovered by alchemists with saltpeter looking for the secret to eternal life. MILITARY TECHNOLOGY
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The flame thrower was used in battles to fight for the land and is still used sometimes in today's world.
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these rockets expanded the the military technology by a lot. it started to spread to different country's and states.
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the clock was used to tell time and the chines invented it and we still use it today.
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the chines make pottery to decorate there houses and to sell for money.
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the chines made art on paper when they where bored and at school.
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these cards where used to play games with and we still use them today for the same reason.
