Post History
You have outlined a couple of assumptions in your question which there is no evidence for. Back in prehistory, people did what they needed to do to survive, and that often wasn't very long. One th...
Answer
#1: Attribution notice removed
by
System
·
2020-05-27T11:08:45Z (over 4 years ago)
Source: https://outdoors.stackexchange.com/a/6884 License name: CC BY-SA 3.0 License URL: https://creativecommons.org/licenses/by-sa/3.0/