How would you best describe the factors contributing to the development of the political and social system of feudalism?

Feudalism developed primarily due to the fragmentation of power following the collapse of centralized empires, particularly after the fall of the Roman Empire. This instability led to the need for local protection, prompting landowners to grant land (fiefs) to vassals in exchange for military service and loyalty. Additionally, the agrarian economy and the reliance on peasant labor for sustenance reinforced hierarchical relationships between lords, vassals, and serfs, fostering a rigid social structure. The intertwining of political authority and land ownership solidified feudalism as a dominant system in medieval Europe.