B.) It was difficult for Columbus to finance his first voyage and so on
Federalists was responsible
The factor which most importantly affected Paleolithic humans' lives was caleld th agricultural revolution - this was a period in history when people first started growing crops and figured out at that growing crops enabled them to have and eat more food.
This comes across like a question where you are being asked to state your opinion. Think about the exam system and what it was used for in history and in ancient dynasties/civilizations, and form your opinion.