Bettie and zahara belong to different cohorts. the only definite difference between these two women is membership in community groups socioeconomic status age ethnic or racial group

Bettie and zahara belong to different cohorts. the only definite difference between these two women is "age".

A cohort refers to a group of individuals who are around a similar age, similar to a cohort of college students who have comparative encounters and concerns.  

The word cohort was initially used to depict a military unit in antiquated Rome. You can perceive how this holds hints of the word's inceptions: accomplices are bound together by comparable conditions simply like a gathering of troopers in a military unit. Some dialect idealists demand that the word just portray a gathering, for example, a partner of bookkeepers, yet it can likewise allude to sidekicks or supporters, for example, "Susan and her cohort."

can you show the map , i'll be able to update my answer

probably 3 since archeologists and historians don’t understand there writing.