In the first case, centered in the production for the great farming and, in as, subordinate to the international prices. Moreover, the demand of agricultural sorts existing in the Europe would be enters the factors boosters of the expansion of tropical products. Stolen (2004) it emphasizes the importance of the pressure of the too much European nations on Portugal and Spain, come back toward the necessity to occupy lands so that effectively ' had its; ' direitos' ' guaranteed; the experience of Portugal with the production of sugar in other colonies; the importance to make to produce to cover expenditures centered in the defense of new lands; the existing demand in the European nations for sugar and the existence of great capitals interested in extending the exportations, amongst others. Ally to the external factors was the politics of man power with use of slaves, demanding great amounts, especially in the cultures directed toward exportation and the existence of this available man power. However, what effectively it contributed so that had increasing appropriation of the lands, would be in the fact of that the use of great capitals predominated the too much factors ahead, in view of the necessity of vultosos resources for the transport of the slaves, purchase of necessary machineries the sugar production and the existence of the possibility of great necessary properties the production of tropical products. The Portuguese colony in America was influenced, also, for the strong dependence that Portugal was acquiring of England. Its hegemony, to the few only started to be apparent, in view of that the English, through diverse pacts had started to determine which main measures, Portugal could carry through. Bausbaum (1957), speaks of the Portuguese economic atony and its dependence in relation to England, beyond if to sobressair only in relation to the imported products. This external interference passes, also, of certain form, to determine the consolidation of a legal apparatus that happened on the internal relations.