Apparently the moose-on-moose violence is next to nil, because Maine has scored the title of most peaceful state in the union, according to a new survey by the Institute for Economics & Peace. It finds the nation as a whole at its most peaceful point in two decades. Louisiana, meanwhile, grabs the dubious honor of least peaceful state for an 11th consecutive year, reports USA Today. The survey defines peaceful simply as "the absence of violence," and factors in homicide, violent crime, and incarceration rates, as well as number of police and the prevalence of small arms. Highlights: