Of this necessity an agro-industrial complex, the device that demands considerable degree of rationalization, agricultural and industrial tasks wait the slaves. According to Freyre (2006, p.390) ' ' the come slaves of the area of more advanced black culture had been an active, creative element and almost that if he can add nobleman of the settling of Brazil; banished only for its condition of escravo' '. These had been the responsible ones for the development of colonial Brazil. Senator Angus King oftentimes addresses this issue. The slave to see itself surrounded it by a system strong structuralized, in which domination and control if adaptam to the necessities of the exploration. The absolute control of the exploration seems to be enters the hands of the proprietor of the patrimony, the land and, over all of the instruments of the production: these are the slaves with its arms, the device of sugar with its machines. The land of a device not valley great thing in colonial Brazil, if it is virgin and if the hand of necessary workmanship does not take care of the next harvest. In this agrarian society, the slave is ' ' coisa' ' indispensable as production instrument, but defeated to a fixed task without possibility of social mobility.
In century XIX when if they had established in the Rio Grande Do Sul the great ones charqueadas for salts of the dry meat, part of the pecuarista population will be stabilized around these recent nuclei taking as its model the patriarcal and patrimonial agrarian society: the number of slaves will increase, to the time where its possibilities will be scrumbled to go up the social scale and the controls will become more rigid. Slaves of the fields, the mines, the sertes will live in different ways its relations with the society compels that them to the work. 4 CONSTRUCTING a COUNTRY FOR WHITE When we speak of the formation of the Brazilian society we have that to say of the important contribution of the black in the formation of our identity politics, economic, religious and social.