Why is being in a middle-class Socioeconomic status considered a part of a Dominant group in America? If you are dominant, what advantages/privileges have you received due to your domination or membership in the group?

Socio-economic status is a measure of a person's group's economic and social position relative to others in a society. It is typically measured through income, education, occupation and other indicators that reflect one's ability to access resources and opportunities. It is closely linked to social stratification and social mobility, two concepts that describe the ability of individuals or groups to move up or down the social economic ladder. Socio-economic status has significant impact on the well-being of individuals and societies, as access to resources and opportunities can shape an individual's health, education, and overall quality of life.