According to optional ethnicities, at what life stage do individuals first become acutely aware of their own ethnic or racial identity?

Focuses on interactions, the face-to-face encounters and relationships of individuals who act in awareness of one another
-explores the daily conversations, gestures, and other behaviors that go on in families
-children develop self-concepts based on feedback from those around them
-family identity, traditions, and commitment emerge through interaction, with the development of relationships and the generation of rituals-recurring practices defined as special and different from the everyday
-sometimes this perspective explores family role-making as partners adapt culturally understood roles

Yes you are cute answer theories to explain the colonization of the new world the last great habitable landmass to be occupied by humans focus on the bering land bridge, or beringia, which emerge by siberia and alaska the last ice age.