How does this apply to Christians who are “all one in Christ Jesus” (Gal 3:28b, NIV)?

Unlike some foreign cultures (e.g., India, etc.), there is not a formal social class structure in the United States. However, there are certainly distinctions made in some communities according to demographics such as: education, wealth, race, religion, and gender. How have you seen this in your own community? In your work place? How does this apply to Christians who are “all one in Christ Jesus” (Gal 3:28b, NIV)?
Must be 500 words, discussion board, APA format. At least 1 citation