You could honestly spend a month in any of those countries, and barely scratch the surface of all the cultures, people, and ecosystems. I would highly recommend

You could honestly spend a month in any of those countries, and barely scratch the surface of all the cultures, people, and ecosystems. I would highly recommend Ghana as a base, due to its stability, infrastructure, and low corruption. If you send me an email (link in profile), I'd be happy to connect you with interesting people in most of the countries you listed as well as Kenya.