What type of evidence would give a historian the best first hand account of what occurred in the past

Written documentation set in a first person narrative (I.E. Diaries)

interdependence is when all participating groups and individuals depend on each other. if you depend on one anothers goods, you end up trading in order to get the items you're looking for. (for ex: if i have food and you have water, we trade in order to depend on each other to live)

the founding fathers did not think women were asmportant as mern were and men could do more and better things then women