They originated from North America. then spread to to all over continents except Antarctica.
Mi social identities are:
1. Religion
2. Family
3. Social Class
Institutions, basically school has helped me form my social identities because is the main institution that taught me values, has taught me differences between people and how to respect them no matter what. In school you also have relationships with people and you can find similarities between your identity and decide what to like or not.
If i am correct, I think it is the Aztecs
<span>Many even blame the initiation of Christianity for the decline. Christianity made many Roman citizens into pacifists, making it more difficult to defend against the barbarian attackers.</span>
Greece to the indus river