I Think it is Either Direct or Representative Democracy.
Criminology is the scientific study of criminal behavior. It aims to understand the nature, fundamental and etiology of violence, aggression and all that is related to crime.
The three eras the criminology is characterized to are the precolonial, colonial and the postcolonial eras.
Claiming land? sorry i am not quite sure because i just barely stared learning this
It was extremely cheap to buy slaves and maintain them. It was also beneficial to slave owners because they could sell slaves for more money than they got them for. On top of this slave owners automatically owned any children their slaves had while under their ownership.