<span>The earliest writing systems evolved independently and at roughly the same time in Egypt and Mesopotamia, but current scholarship suggests that Mesopotamia’s writing appeared first. That writing system, invented by the Sumerians, emerged in Mesopotamia around 3500 BCE. At first, this writing was representational: a bull might be represented by a picture of a bull, and a pictograph of barley signified the word barley. </span>
I can’t see that choices but I can say this indicates that only about half of sub-Saharan Africa’s 128 million school-aged children currently attending school are likely to acquire the basic skills needed for them to live healthy and productive lives.