What is the topic of this paragraph the time traveler’s guide to Elizabeth England of health and safety

What happened after gandhi’s quit india speech?

When mrs. jameson says "it (the desert) won't leave you cold," what does she mean?

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.