Slavery existed in Africa long before European involvement, with ancient civilizations and Arabic traders enslaving Africans.
Powerful African kingdoms, such as the Ashanti and Dahomey, participated in slavery by enslaving criminals, war captives, or people in debt.
Some African rulers resisted the slave trade, while others cooperated with European traders.
Established better transport routes from inland to the coast.
Introduced improved farming techniques (primarily for slave ships, not local use).
Significant population decline.
Spread of diseases as people were relocated.
Famine due to fewer young people available to farm.
Uncultivated land from a shortage of farmers.
Increased conflict and violence between tribes, leading to civil wars.
Development of racist ideologies suggesting African inferiority.
Coastline damage from slave factories, becoming sites of suffering and death.