What do these words have in common?

123456789101112
Across
  1. 2. first admitted to association in 1987
  2. 3. provides information regarding this disease
  3. 6. provide to Veterans and Seniors
  4. 9. event which takes place when school gets out
  5. 11. Junior members
  6. 12. Contest for grade school children
Down
  1. 1. how new members are attracted
  2. 4. annual breakfast with
  3. 5. provide to graduating seniors
  4. 7. one of the 8 primary causes
  5. 8. collect, clean and distribute
  6. 10. spring event grand prize $10K