African Food Systems, Technologies, and States Had Multiple Centers
African communities developed agriculture and pastoralism using regionally adapted crops and animals, including sorghum, pearl millet, African rice, yams, cattle, sheep, goats, and others. Sahara climate shifts changed lakes, grasslands, and routes over thousands of years, but people responded through movement, exchange, mixed livelihoods, and innovation. Environment influenced choices without determining one political outcome. Archaeological traditions such as Nok show terracotta production, settlement, farming, and ironworking in parts of West Africa, though Nok was not one known empire and its objects have suffered heavy looting. Aksum in the Horn of Africa built a state connected to Red Sea trade, minted coins, used inscriptions, practiced agriculture, and adopted Christianity under royal patronage in the fourth century CE. Between and beyond these cases were many societies whose perishable materials or oral histories survive differently from stone monuments