Analysis of information sources in references of the Wikipedia article "História da escravidão" in Portuguese language version.
To overdraw its evils is a simple impossibility.
the strangest disease i have sen in this country is brokenheartedness.
slave girls of viet.
Whatever currency was in use [in Ireland in antiquity], it was not coin—as in other pre-coin economies, there was a system of conventional valuations in which female slaves, for example, were important units.
Slavery is rare among hunter-gatherer populations as slavery depends on a system of social stratification.
In Sumer, as in most ancient societies, the institution of slavery existed as an integral part of the social and economic structure. Sumer was not, however, a slavery based economy.
Despite the Mongol invasion in the 13th century and the Japanese in the 16th century, there was never sufficient social upheaval to unseat the slaveholding system. Rather, hereditary slaveholding through several dynasties became part of the longest unbroken chain of slavery of any country on Earth.
Also in: Eksploatacja ekonomiczna ziem polskich (Economic exploitation of Poland's territory) by Dr. Andrzej Chmielarz, Polish Resistance in WW2, Eseje-Artykuły.
Summary characteristics of hunter-gatherer societies in the Standard Cross-Cultural Sample (SCSS). [...] Social stratification [: ...] Hereditary slavery 24% [...].
Summary characteristics of hunter-gatherer societies in the Standard Cross-Cultural Sample (SCSS). [...] Social stratification [: ...] Hereditary slavery 24% [...].
Also in: Eksploatacja ekonomiczna ziem polskich (Economic exploitation of Poland's territory) by Dr. Andrzej Chmielarz, Polish Resistance in WW2, Eseje-Artykuły.
e.g. Prologue, "the shepherd of the oppressed and of the slaves" Code of Laws No. 307, "If any one buy from the son or the slave of another man".