Bit of both... keen interest in how humanity/society has turned into what it is today (finding the consistencies throughout history and how these have developed or changed) which made me a bit of a history nerd (in some regards; not that into wars and specific years of kings and all that), along...
Free will is a very religious idea.
Early human civilisations were obsessed with the idea of a dying and resurrecting God, which represented the winter (death of plants = food, etc.) and the resurrection (spring). They thought that if you kill the king (the human incarnation of a God) when he...
The thing with the butterfly effect though is that there's several outcomes based on these alternative timelines.
Yes, quite possibly a hundred million lives or so would have been saved in the short term. But the World War II also resulted in a lot of changes in philosophy, humanitarian values...