The knowing of 10 unknown countries

their total of 195 countries in the world, some countries e.g. china, japan, the USA, India, and South Africa are very well known from people. but ? may I ask you a question: do you know these countries, the Central African Republic, Botswana, or Namibia, some people would know, but the majority will say NO ! which is a very common answer when we ask people about these countries! The answer is simple, these countries are not popular ................