sentences:  Indeed, Herschweiler-Pettersheim's economic structure must be deemed to be rather weak.Most people in the workforce must therefore seek livelihoods in the Saarland and in the Kaiserslautern area, commuting to jobs.From Duke Ludwig II's time as ruler (1522-1532), which was marked by ecclesiastical upheaval and constant innovations, all Counts Palatine (Dukes) of Zweibrücken set themselves the task of developing schooling in the Duchy.