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.
Lynch, Michael, Class Based Justice: A History of the Origins of Policing in Albany, Albany, New York: Michael J. Hindelang Criminal Research Justice Center, 1984. Platt, Tony, Crime and Punishment in the United States: Immediate and Long-Term Reforms from a Marxist Perspective, Crime and Social Justice 18 (1982). Reichel, Philip L., The Misplaced Emphasis on Urbanization in Police Development, Policing and Society 3 no. 1 (1992).