Animals. 1  Opossum, or possum, an order (Didelphimorphia) of marsupials native to the Americas Common opossum, native to Central and South America. Virginia opossum, native to North America.
Six out of the top 10 most peaceful countries were European, with Denmark and Austria holding the second and third spots. Europe maintained its position as the most peaceful region in the world, supported by a lack of domestic and external conflicts, the report said.
The concept of a peaceful community of nations had been proposed as far back as 1795, when Immanuel Kant 's Perpetual Peace: A Philosophical Sketch outlined the idea of a league of nations to control conflict and promote peace between states.