https://theconversation.com/beer-politics-and-identity-the-chequered-history-behind-namibian-brewing-success-155719

I had no idea but your comment prompted me to find that article.

I couldn't find much about Gabon, but here is an article if you are interested: http://enoromi.com/index.php/enquetes/societe-des-brasseries-du-gabon-entreprise-citoyen-et-leader-de-la-production-de-boissons-au-gabon