Potassium is one of the major electrolytes (together with sodium, chloride and magnesium) that conducts electricity in the human body. It also plays important roles in muscle contraction, nerve impulse transmission, and in maintaining the balance of fluids in the body.
The first modern usage of the specific term social justice is typically attributed to Catholic thinkers from the 1840s, including the Jesuit Luigi Taparelli in CiviltÃ  Cattolica, based on the work of St. Thomas Aquinas.
Social justice encourages change to come from those communities that are most affected by social inequity, involving people most affected in working on the problems and decisions. It employs a combination of tactics such as advocacy related to policy, grassroots organizing, litigation, and communications.