Gunpowder, Paper Money, Compass
I chose gunpowder because it was very important to the Chinese military.In Chinese gunpowder is called huo yao. Huo yao means flaming medicine. It was first invented by the Alchemists. It was a mixture of sulphur, saltpeter, and charcoal. Gunpowder not only made the Chinese militatry stronger, but it also has also influenced tools like fireworks and guns.
Gunpowder was also used in war cannons.
Today Paper money is used all over the world thanks to the Chinese.
The compass is used in almost any moving vehicle.