For #3 you could put La gente en el centro comercial nos entiende. (The people at the mall understand us.)
I don't know about #4 sorry.
But hopefully this helps
Answer:
The purposes of public participation are to promote transparency, encourage openness in government, and build ownership of development decisions as well as programmes and projects. Public participation encourages citizens to be more engaged in the decision-making processes that have an impact on their local community.
