 The prosperity of the new establishment is attributed to gold trading, which was further accentuated by early European arrival on the coast.Agyen Kokobo ruled with his mother, the queen mother of the Akamawu state; the major contribution which the Akwamu brought to the Akan was military organization.He was succeeded by Ofusu Kwabi, who was known for the killing of Ahweaben, the Nzima chief, while in battle in 1515.