The world has humans and no human is better than the other it is only that we are gifted differently and we were raised in different environments. Some countries have developed so much because of what there forefathers did for the prosperity. The Africans working abroad has emerged to be among the best brains and those countries are really utilizing their brains as opposed when they are back at home. Do you think that Africa is lagging behind because of poor leadership and neocolonialism ?