Saltwater Crocodile "Lolong": 6.17m, 1,075kg
Men: average 1.74m, 70kg
I’ve heard the debate about 100 Men versus a Gorilla, but who would win if the opponent were "Lolong"—a massive Saltwater Crocodile—instead of a Gorilla? This assumes a bare-handed fight.
If the level of civilization of the Late Neolithic Age had persisted across the globe to today, how would history have changed?
We know from the example of the Aztecs that commerce and astronomy can be developed without metal, and from the example of the Incas that administrative power at the level of an ancient state can be achieved without metal.
Then, how much would the history of Europe change? Would it be possible for Rome to advance beyond the Italian peninsula without metal?