 Geographic consequences of the dynastic union and the preferences of the Jagiellonian kings instead created a process of orientating Polish territorial priorities to the east.Between 1386 and 1572, the Polish-Lithuanian union was ruled by a succession of constitutional monarchs of the Jagiellonian dynasty.The political influence of the Jagiellonian kings gradually diminished during this period, while the landed nobility took over an ever-increasing role in central government and national affairs.