Answer: D
Explanation:
Slavery was part of Africa, just like it was part of Roman empire. The key unique thing about African slavery was that they were not the chattel slaves. They were provided with certain rights. Later when the Atlantic and Arab slave started the Africa became a major source of scales. Debt slavery, Military slavery, Slavery of war captives were forms of slavery in Africa. Slavery for Domestic and court purposes were most widespread. They were well treated.In larger African states slaves worked in the state administration, and could be an important royal official. Generally people from other ethnic groups were enslaved.
They actually played into the European imperialism during 19th century.These include economic , political, military, religion,and sociological motives.
Answer:
I'd say separation of powers?
Explanation:
Las máquinas facilitan el trabajo de las personas, las mismas permiten que muchas actividades se puedan desarrollar de manera automatizada. Esto permite realizar trabajos de manera más eficiente, realizar actividades en un menor tiempo, obtener más utilidad por menos trabajo o esfuerzo.