Subject and object pronoun​

The greatest gift the sumerians gave the world was the invention of writing. the sumerians were a 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.

How can an author reveal move information about a character

In the new york times article "radio listeners in panic," what was the purpose of including stories of mass hysteria caused by the radio broadcast of the war of the worlds?