D. Density
The bulk density of a planet will reflect the relative amounts of the materials the world is made of, regardless of what materials occur at the surface.
The inuit in canada and Greenland, and the Yu'pik, Iñupiat, and Athabascan in Alaska, are just a few of the groups that are native to the Arctic.
The form of government would be Federalism
Bolivia , which has a 10,582 square kilometers. Which also is 4,086 square miles. Also covers most of Southwestern Bolivia