Answer:
When people identify with each other based on common ancestry, traditions, language, genealogy, history, political beliefs etc, we call this ethnicity, coming from the Greek root ethno- meaning nation (a conglomerate of people) or large community.
A fair way of assessing a culture is evaluating it by it's own standards, rather than incurring in snobbish attitudes such as: ethnocentrism, which is when people judge another culture comparing it with their own cultural norms. This concept was coined by Ludwig Gumplowicz and later used by sociologist William Graham Sumner around 1906.
Step-by-step explanation: