Problem: In the course textbook, which three claims can be found in the article by Rönnbäck (2020)?
a. All African rules and societies showed willingness to sell slaves to the European slave traders.
b. The potentially most devastating effects of the external slave trade came from the spirals of internal violence that it initiated or reinforced.
c. In the long-term perspective, the impact of the international slave trade on the local African societies have been exaggerated.
d. Although the Trans-Saharan, Red Sea and Indian Ocean slave trades organized by Muslim merchants were of substantial magnitude, they have received significantly less scholarly attention than the Atlantic slave trade.
e. The two major slave-trading European nations Britain and Portugal.
f. The international slave trade ended abruptly after the British ban in 1807.