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Peace is a term that most commonly refers to an absence of aggression, violence or hostility, but which also represents a larger concept wherein there are healthy or newly-healed interpersonal or international relationships, safety in matters of social or economic welfare, the acknowledgment of equality and fairness in political relationships and, in world matters, peacetime; a state of being absent of any war or conflict. Reflection on the nature of peace is also bound up with considerations of the causes for its absence or loss. Among these potential causes are: insecurity, social injustice, economic inequality, political and religious radicalism, and acute nationalism.

From the Anglo-Norman pas , and meaning "freedom from civil disorder", the English word came into use in various personal greetings from c.1300 as a translation of the biblical terms pax (from the Vulgate) and Greek eirene, which in turn were renderings of the Hebrew shalom. Shalom, cognate with the Arabic "salaam", has multiple meanings: safety, welfare, prosperity, security, fortune, friendliness. The personalized meaning is reflected in a nonviolent lifestyle, which also describes a relationship between any people characterized by respect, justice and goodwill. This latter understanding of peace can also pertain to an individual's sense of himself or herself, as to be "at peace" with one's own mind attested in Europe from c.1200. The early English term is also used in the sense of "quiet", reflecting a calm, serene, and meditative approach to the family or group relationships that avoids quarreling and seeks tranquility — an absence of disturbance or agitation.

Understandings

Many different theories of "peace" exist in the world of peace studies, which involves the study of conflict transformation, disarmament, and cessation of violence. 1 The definition of "peace" can vary with religion, culture, or subject of study.

Peace is a state of balance and understanding in yourself and between others, where respect is gained by the acceptance of differences, tolerance persists, conflicts are resolved through dialog, people's rights are respected and their voices are heard, and everyone is at their highest point of serenity without social tension.

Justice

During the 1950s and 60s, when Martin Luther King Jr. and the civil rights movement carried out various non-violent activities aimed at ending segregation and racial persecution in America, they understood peace as more than just the absence of violence. They observed that while there was not open combat between blacks and whites, there was an unjust system in place in which the government deprived African Americans of equal rights.Fact: date=December 2007 While some opponents criticized the activists for "disturbing the peace", Martin Luther King observed that "True peace is not merely the absence of tension: it is the presence of justice."