Four factors that relate to the homicide rate - Legitimacy, Trust, Community, Respect

From Homicide rates linked to trust in government, sense of belonging, study suggests, Ohio University press release.

In his analysis, Roth found four factors that relate to the homicide rate in parts of the United States and western Europe throughout the past four centuries: the belief that one's government is stable and its justice and legal systems are unbiased and effective; a feeling of trust in government officials and a belief in their legitimacy; a sense of patriotism and solidarity with fellow citizens; and a belief that one's position is society is satisfactory and that one can command respect without resorting to violence.