All history is conjecture. The primary sources relating to 17th century Angola exist, they're just sparse. I just told you that Queen Nzinga sent letters to the

All history is conjecture. The primary sources relating to 17th century Angola exist, they're just sparse. I just told you that Queen Nzinga sent letters to the King of Portugal, for instance. If you're genuinely interested in this, John Thornton and Linda Heywood both give good surveys of what sources are available and what they can tell us. I work on early modern Britain, Portugal, and their colonies.