Positive or negative. Discoveries (electricity) and evolutions (language) are not inventions. Suggestions and debate welcome. List subject to change.
  1. Agriculture
  2. Mathematics
  3. Clothing
    Suggested by @Jack
  4. The boat
  5. Medicine
  6. Religion
  7. The radio
  8. The wheel
  9. The battery
  10. School
  11. The gun