In addition, another impact of slavery, beyond economy, was the distorted sex ratios in Africa. This was due to the fact that most of the slaves taken were males, and so many parts of Africa were left with uneven proportion of sexes: more females than men; for example in Angola, two-thirds of the population was female during the eighteen century. As a result, this imbalance forced women to work in fields and so perform most of the duties that males usually did.
<Tab/>With the years the European economy kept growing and growing thanks to the sugar plantations and the slave trade. During the 1450-1750 the Europeans trade success was mainly due to the slave trade. During this period we can see an important change overtime: the trade, which was mainly concentrated in the Indian Ocean, moved in West Europe and Americas. These new changes will spark for new developments in the Americas.
<Tab/>In conclusion, during the 1450-1750, one of the most important changes in the history occurred, mainly due and influenced by the Portuguese; which are credited for started this shameful period. On the other hand, we also notice some continuities, for example some of the goods, which were continued been traded even when the slave trade took place. Another example is some of the main locations, such as the Gold Coast.
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