Yeah, and that 20% was to be kept in surplus for a time of famine. It was kept, and there was a famine, and the people had wheat stores for the rough times when cattle couldn't make it, etc.
The good ol days when politicians kept their word.
I'm not advocating for socialism.. its just how things were back in the day.... Just stating facts, because Old Testament [late Genesis, early Exodus].
It was a different time, with slavery on a huge scale, but with some solid, logical leadership. Well, maybe they shoulda stayed back when the sea parted... These days, there is no honor among thieves and installed leadership perverts that lie like there's no tomorrow. Maybe being a slave wasn't so bad back in biblical times.