The one that is most likely study written records would be : C. Historians
The history of mankind started the moment we developed writing technique. With writing, we could get more accurate interpretation about what's been happening in the past
hope this helps
The world's economies interact with each other by trading. For example, if oil is easier to access in Saudi Arabia than America, it will be less expensive, so we trade. The economies affect one another by giving each other easier access to different resources and products.
it is a very interesting, must see experience
