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.
The Square Deal was Theodore Roosevelt's domestic policy based on three basic ideas: protection of the consumer, control of large corporations, and conservation of natural resources.
This is because both countries sought to have influence around the world. After the World War II, Russia sought to spread its Communism ideology in various spheres of the world whereas the Western powers, Britain included sought to spread the ideals of capitalism