M, age 34, is married and has 3 children, ages 4-11 . M's husband, S is in the army reserves and ...

M, age 34, is married and has 3 children, ages 4-11 . M's husband, S is in the army
  reserves and was deployed for two tours to Iraq. While S was gone M felt isolated.
 
  M
  said there were no supports for family members of reservists, and she had to drive
  three hours to meet with other families who had a husband who was deployed. S is
  back home now, but M continues to feel angry at the lack of support when she
  needed it. M has organized other wives and they meet as a group to figure out what
  can be done so that other families don't have to experience what she did. Which
  relationship process is M cultivating?
  a. Engagement in change work
  b. Productive direct and indirect communication
  c. Mutual agreement of problems, roles, tasks, and goals
  d. Collaboration