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 democracy is often used in this manner to refer to the social policies prominent in Western and Northern Europe-particularly in reference to the Nordic countries-during the latter half of the 20th century.he origins of social democracy have been traced to the 1860s, with the rise of the first major working-class party in Europe, the General German Workers' Association (ADAV) founded by Ferdinand Lassalle.