Evolution Over Time
In order to get to the bottom of why these people are the way they are, first, you must understand what happens when cultures meld with each other. Evolution is a non-linear process that has been changing, adapting, and recreating itself since the dawn of humanity. Humans used to travel in packs (also known as tribes), so evolution was originally predicated on genetic changes within those microcosms. As humanity became more widespread, and the world became a genetic melting pot—physical evolution became less important, and societal evolution became paramount.