City states were built with temples and high places for the gods and goddesses. Each aspect of personal and social life was directly or indirectly connected to some religious notion (Sansone2011, 1-39)
The richness of culture, economic prosperity, and security of Egyptians is also based on their relatively secure geographical location as it bounded from North by the Mediterranean Sea, Red sea to the East, and Libyan Desert to the west. Being secure from invaders, the civilization immensely progresses without external intervention (Tintero et al2002, 39-57)
Though, much of his theoretical positions related to science were refuted later but he did play an important role in the development of scientific method based on observation and presentation of arguments. It was Eratosthenes, a Greek astronomer that first measured a near-correct circumference of Earth by employing geometric calculations (Wilgenbus at al 2011, 1-15)
This in turn reflected on the stratification of the society. Slavery in ancient Rome was also influenced by the continuous expansion of the Roman Empire in terms of territories which were conquered (Berstein and Milza, 1994)
More precisely, given the enlarged territories, it was common practice that prisoners taken following a war would be either sold as slaves or used for the common works. These practices are though old as history itself, as elements of slavery were seen from the early years of history when war prisoners were either killed or sold, reducing them thus to slavery (Blake, 1861)
Black people in general were perceived as an inferior race and thus enslaved in the common mentality of the north Americans. Indeed, this perception might also been possible as a result of science and evolutionary theories of the 17th and 18th centuries (Braunstein and Pepin, 1998)
On the one hand, the ancient term of slavery which was practices in ancient Rome, Greece, Europe, or Africa. On the other hand, there is the North American slavery which was practiced starting with the 17th century in particular (Jenkins, 1997)
enables a clear view on the way in which war prisoners were treated and how this mentality was passed from one generation to the next. In this sense, by the 10th century, in the eastern region of Europe, slaves were in fact poor peasants which had no income or means to support their families and were thus forced by circumstances to work for the master of the domain (Phillips, 1985)