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.
8. In the barracoons, slaves were only fed enough food to keep them alive, and they were confined for months while traders waited for buyers. Captives kept in outdoor pens were locked in dirty cells at night and had to endure the filth of the barracoons, which were not equipped with receptacles for human waste. 9. Slaves held in dungeons in slave castles on the coast also suffered in dark, dank