Melissa survived the prolonged incarceration of one parent and the active addiction of another to graduate from college and start a thriving business. Melissa's example BEST illustrates:

Resilience

Explanation:

Melissa faced a tough time in school as she always had challenges that the softhearted would have given up easily on, despite the opposition she faced she kept up with her studies and endeavor she graduated from college. Melissa was strengthened by the opposition she faced in college and this helps her to promote her own business which is striving in the society. Melissa's ability to pull-through college despite the challenge and sustain a thriving business is known as Resilience.