The four classes were the following:
gentry and scholars (shi)
peasant farmers (nong)
craftsmen (gong)
shang (merchants)
the top of the hierarchy was occupied by the shi - the gentry.
All geographical features of a place are fine. Humans that are resourceful adapt to their surroundings so it doesn’t matter in the end.
A king has criminals in his country publicly executed to scare others into obeying the law