What did The arrival of Europeans changed what practice in Africa?

The arrival of Europeans in Africa significantly transformed trade practices, particularly through the establishment of the transatlantic slave trade. European demand for labor in the Americas led to the forced removal of millions of Africans, disrupting traditional economies and social structures. Additionally, European colonization introduced new commodities and altered existing trade networks, shifting the focus from local goods to cash crops and resources for export. This led to profound economic and cultural changes across the continent.