Africa, Africa region, East Africa, South Africa, port, Ports, port development, Trade, trade networks, Benefits from Trade, International Trade, Trade and competition, costs of trade, intraregional labor mobility, International Logistics Performance Index, trade connectivity, infrastructure connectivity, Maximizing Finance for Development, MFD, Africa Strategy, Sustainable Growth, Inclusive Growth, Digital Transformation, Trade Policy, trade policy and regulation, maximizing private finance, Regional Integration, diversify economies, diversify production and exports, trade and economic growth, East and Southern Africa, ESA, ESA countries