Ow did Postmodern art reach to the rise in popular culture of graffiti through 80s-2000?

These must be included:

1) Contents Page
2) Introduction
3) Body of Thesis with Headings or chapters
4) Conclusion
5) References
6) Bibliography

1)All pages must be numbered
2)use double-line spaced
3)the left-hand and right-hand margins at least 2.5cms
4)use Harvard referencing format

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There are 2 representative graffiti artists:

1)keith Harring


Soho Walls: Beyong Graffiti, David Robinson,
1990, Thames and Hudson published

Thank you