the chines need it to protect them selves and plus the love making it
Gunpowder
Well some of the possibilities are paper, moveable type, and gunpowder.
It is the 4 Great Inventions, they are the compass, gunpowder, paper, and printing.
The most important invention was gunpowder
The invention of the Firearm
Most likely, it was gunpowder.
gunpowder compass printing
Silk, it allowed their economy to explode.
the computer Paper gunpowder the firearm the atlatl
If it is a particular Chinese invention, then most likely paper.
The Chinese invented the chopsticks, while the English invented the wheel, however, the most important invention was the invention of your mother
I would say Paper because for me there has not been one day where I have not seen a pice of paper and that invention led to the creation of paper money