Answer:
The poster would be created showing people supporting each other and having the freedom to talk about their feelings without fear of judgment and reprisals.
Explanation:
We know that many factors must be modified in the world in order for human beings to reach full happiness, however the free and unjudged dialogue and the support between people can bring relief from the stress and frustrations of day-to-day providing moments of full happiness.
For this reason, a poster could be created showing the importance of freedom of dialogue. Showing how important it is that we talk about our feelings and even more important is to listen to what others have to say and not judge, but support them.