“Curiously, 45,000 years ago is almost the exact period of time that modern humans began to show up in Europe.”
Great migrations of large human populations were happening 50,000 years before recorded/written history.
Whether following climate, game/resources, or motivated by the resident shaman, humans have been on the move.
Eventually, the tribes with superior organizational skills and/or methods produced better/smarter warriors and absorbed great numbers of peoples.
Then the War for Earth began, pitting Civilization against Civilization. And it continues to this day.
>>Whether following climate, game/resources, or motivated by the resident shaman, humans have been on the move.
Or escaping other tribes
Don't underestimate the number that came from personality conflict.
"Og is a jerk! The twelve of us are going off to form our own tribe."