The statement about the spread of iron working from Central Africa to West Africa is true, as iron technology developed in Central Africa during the first millennium BC and gradually spread through trade and migration. This technological advancement significantly impacted agricultural productivity and societal growth in West Africa. The Hausa and Ghana Empire are notable examples of regions that benefited from these advancements.
;
The statement regarding the spread of iron working from Central Africa to West Africa is true. Iron working techniques initially developed in Central Africa eventually influenced other regions, particularly in terms of agriculture and trade. This advancement greatly impacted societal development throughout Africa. ;