Economy

The kingdom of Kongo remaining its strength and radiance to the development of the picking economy (palm to oil) and to the agriculture encouraged by the knowledge of the iron metallurgy that permitted to manufacture weapons and the agricultural tools to reclaim glades.  Also The Kongo people survive from day to day on agricultural production, fishing, and hunting. They use to take taxes from forced labor, and collected fines form people in order to prosper. The Kingdom owed its wealth to the collection of the money (Nzimbu). The kingdom collected tribute, and used a shell currency called the Nzimbu. Kongo controlled the harvesting of the Nzimbu shells on the island of Luanda. The people of Kingdom bought things by exchanges each other’s things, or grand exchange Merchanting in Central Africa, the Kasaï and the Katanga (Lunda). That were themselves in report with trade Swahili of the ocean Indian. This trade to long distance was developed enough and corresponded for Africa to a political and economic integration beginning. 
They are as hunters of small game and fishers, in the numerous rivers, the stream Congo and sides of sea. The Kingdom They would even trade enslaved people and ivory to Europe. The important harbors were Sonyo and Pinda.