商鞅变法

shāng yāng biàn fǎ

Shang Yang's political reform of Qin state 秦國|秦国 of 356 BC and 350 BC, that put it on the road to world domination

商

shāng

commerce

鞅

yāng

martingale (part of a horse's harness)

变

biàn

to change

法

fǎ

old variant of 法[fa3]