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Making a comparison of the area and the population density of the portions of land in question, taking by the north as parameter he feels yourself is certain the sensation of emptiness in the south. Exactly in this Braudel emptiness he evidences the presence of complex sedentary or nomadic societies with some hierarchic structures. Then she is necessary to define which the instrument of measure and which the graduation of the used scale for the author to measure the life human being in the African continent. Another point that deserves prominence is the paper of the African gold as factor of balance of the mediterrnica trade balance in its transactions with the spices of the East. According to author before century XVI it was the base of the prosperity of the Mediterranean, exactly contributing for the birth of some cities and states very before century X.
Exactly with the competition of the great deriving auriferous mass of the New World, always commanded for Africa of the North, this traffic still persisted. Without explanation of set, untied way, appears a positividade how much to this question, placing auriferous Africa in a partially horizontal relation with the Europe, differentiating itself of this for its contact with the blacks of south of the continent, as in the sample: It would be made a mistake (the most informed they commit such error) to consider Lesser Africa as a set of rustic countries. In centuries XIV and XV, the cities are developed there for times without no ratio with the countries encircle that them. They do not only live capsized for the Interior sea but also for the South, the country of the Blacks, the Bled you are Soudan.