What are the 3 social classes?

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Tags

1. #middle
2. #complex
3. #dozen
4. #lower
5. #three
6. #models
7. #working
8. #americans
9. #upper
10. #include
11. #class
12. #model
13. #includes
14. #scientists
15. #social
16. #simple
17. #recognize
18. #levels
19. #proposed