2.¿Qué relación existe entre participación y justicia social?

A reciprocal relationship exits between the two.

Explanation:

Social justice is  a normative concept that upload the principle of fairness, equality among the citizens, equity, rights and participation. Basically equal rights and equality are the major benefits that citizens must benefit for upholding  the  principle of social justice.

When citizens are given rooms to take part in decisions that matter or govern  their lives,they were allowed to participate in the cultural and political matters of their lives.This is participation.

Therefore these people possess the equity and equality for stabilizing democracy and also for evenly available outcomes.

Therefore, participation is in the context of social justice,and therefore the more rooms is given for participation, the more the social justice derived by the people.