Although the terms are similar, neoliberalism is distinct from modern liberalism. Both have their ideological roots in the classical liberalism of the 19th century, which championed economic laissez-faire and the freedom (or liberty) of individuals against the excessive power of government.
The 'feudal system' is the name for a power structure where people held their land in return for promising loyalty, known as doing homage, and providing services such as working or fighting for their lord.
The Romanists trace the basic features of feudalism to the social, legal, and political institutions of the late Roman Empire. The Germanists believe that feudalism resulted from the triumph of Germanic institutions in the social and political organization of medieval society.