What information can we learn from about prehistoric (time before writing) society that can help us today?

We can learn many helpful things from prehistoric societies. In fact, anthropologist and historians are often interested in these socities for this very reason.

Explanation:

A helpful information is diet: most prehistoric societies were hunter-gatherers (they did not know agriculture), and for this reason, their diets were very different from the diets of following periods. Some scholars have even said that prehistoric diets were healthier than the diets of agricultural societies.

Another helpful information can be found from archeological evidence: things such as cultural artefacts can shed light on prehistoric culture, and help develop theories about the origin of human cultural institutions, theories that can helps us understand better the modern world.

silk

indigo  

rice

all the other answers are wrong

first industrial revolution - the first wave of the industrial revolution lasted from the late 1700s to the mid-1800s. it industrialized the manufacture of textiles and began the move of production from homes to factories. steam power and the cotton gin played an important role in this period.