Socio-economic structure Main article: feudal mode of production Main article: Feudalism Main article: Economy feudal Personal relationships are based on two typical figures: feudal-vassal relations between individuals. Among the noble lord set-vassal relationship of mutual political obligations, legal and economic, in which the vassal has in turn subjects. At the base of the system is the master-servant relationship, in which the first is a noble (lay or ecclesiastical), with an obligation to protect the second, a farmer in servitude, with financial obligations. In the field, which is virtually the entire economic system, dominated by subsistence agriculture. The product was obtained on a small scale, using relatively primitive farming techniques. The aim of the manor was self-sufficiency. Union relations.In the cities, islands in the ocean feudal (Henri Pirenne), guilds (groups of artisans) enhance the local economy and impede competition and the expansion of production and the market: trade activities between regions or countries were severely limited, technological development was low and slow (maintenance of trade secrets, innovations are not encouraged), scarcity of capital and difficulties for the mobility of individuals. The economic and social framework of the feud was similar in some respects to the Greek polis or city-state. The organizing principle in both the rank and not the contract, and in both cases it was a situation of pre-market economy in a very rudimentary stage technology.Despite the differences were substantial: while the slave mode of production interest in production was the owner, the only holder of rights in the feudal mode of production interest in the production is in the servant, which also deals reproductive system. There is no clear concept of property, and both have land rights. The role of the Lord is to achieve the extraction of surplus by extra-economic coercion (feudal rent). Neither slave nor master accumulate capital, the first disability, the second because we are productive investments ideologically blocked, leaving only military spending, luxury spending or hoarding. To make the transition to a market economy required the emergence of impersonal relationships, competition, free movement, economic growth, private property, the set of institutions necessary for the development of what is known as capitalism or capitalist mode of production.Main article: Estates society, very hierarchical, organized in a stratified manner (nobility, clergy and ordinary people) on the community, not the individual (single individuals are equal before God), according to a divine plan, explained providentially. On the basis of these principles include social inequality in ability, wealth and freedom. The society is divided into rigid social strata (such as a pyramid) within a framework of inequality, conceiving so organismic community as a body with several parts, each with their role and status, which generally passed from father to children, with little chance of change, but they had to function as a single body, as a single body (each of the parties that compose was to perform its function but only unit).