If clothing began as a tool, why is nudity often treated as inappropriate?

Answer: Covering became the norm

Covering became the norm ✓ — Correct! Once covering the body became normal, many societies began treating some exposure as private or out of place. The meaning also shifts by setting, which is why a beach and a city street can feel so different.

Bare skin got dangerous — Wrong. Bare skin can face sun or cold, but that alone does not explain why the feeling of shame varies so much across cultures and situations.

Humans evolved modesty genes — Wrong. There is no good evidence that people suddenly evolved special modesty genes. Social norms are the stronger explanation.