Two units (equivalent to two years or four semesters) of laboratory science are required (three units are strongly recommended), providing fundamental knowledge in two of the following disciplines: 1  Biology. 2  Chemistry. 3  Physics.
Slave forts were established all along the coast of West Africa, to house captured Africans in holding pens (barracoons) awaiting transport. They were equipped with up to a hundred guns and cannons to defend European interests on the coast, by keeping competitors at bay. There were approximately 80 castles dotted along the slave-trading coast.
A barrack or barracks is a building or group of buildings built to house soldiers. The English word comes via French from an old Catalan word barraca (hut), originally referring to temporary shelters or huts for various people and animals, but today barracks are usually permanent buildings for military accommodation.