Answer: History is the study of the past. Events occurring before the invention of writing systems are considered prehistory. "History" is an umbrella term that relates to past events as well as the memory, discovery, collection,.
Hope this helps :P
Explanation:
Jean-jacques Roussea is mostly closely associated with the government being ruled by the people.
A. Diamond states that "Hunter Gatherers practiced the most..." (Keep writing until the next sentence), this is a strategy early humans would use to survive, it is sometimes used today.
I'm still solving b and c, sorry.
