sentences:  For centuries, agriculture defined people's daily life and characterized the village's image.To this day, the three-layer structure of large, medium and small agricultural operations that held true in Herschweiler-Pettersheim right up until the middle of the 20th century can still be made out.The predominant system in farming up to that time, which saw the younger generation taking over the day-to-day running of farms when their parents became elderly, and thus offering the parents some security in their old age, could not keep up with the system that became predominant after the Second World War.