20 plz me choose a selection from the crossing borders unit. write a short explanation of how one of the individuals in this selection is affected by a border crossing. use specific examples or details to support your answer. i picked the story "delfino ii: diez in the desert". can someone give me a quick

The greatest gift the sumerians gave the world was the invention of writing. the sumerians were wealthy people. they needed some way to keep track of what they owned. they began drawing pictures. they used a reed as a pen. they drew on soft pieces of clay. the soft clay was then dried in the sun. the tablet became a permanent record. later, the sumerian drawings changed into wedge-shaped symbols. this kind of writing is called cuneiform. by putting symbols together, the sumerians could write entire sentences.