"And as you can see class, a key figure of this time period was a mythical being named Karen, who was claimed to have powers such as instantly summoning a manager. It is thought she is the earliest ancestor of Humans Type B, of course we went over this last week. 

Around the year 2019, this 'Karen' was the top supporter of anti-vax methods, from which her children were born and their children born, eventually creating the anti-vax tribe that settled in the middle regions of the ancient kingdom USA, and as a result of various diseases anti-vax slowly evolved differently from our subspecies, Human Type A over the years" - probably some Ancient History college professor in 10000 AD