The ancient Slavs chose a leader, while in the Byzantine Empire the emperor appointed his successor and his power was absolute and indisputable. However, over time, among the Slavs, individual people began to advance, who became princes and boyars. The ancient Slavs were personally free, lived in communities or families, the citizens of the empire were considered servants (or even slaves) of the Byzantine emperor. Slaves were not widespread among the ancient Slavs, unlike the Byzantine Empire, where slavery was replaced by a colonial.
One of the components of a person's success in our time is receiving modern high-quality education, mastering the knowledge, skills and abilities necessary for life in society. A person today needs to study almost all his life, mastering everything new and new, acquiring the necessary professional qualities.