Culture. Food, behavior.
History. Common past.
Religion. Majority of shared faith.
Nationality. Belief in common ancestry.
Territory. Boundaries, like Lake Michigan.
Language. Common dialect.
Nation-state. An independent geopolitical unit of people having a common culture and identity.
The northern parts are actually very arid and dry
<span>The right to make and enforce laws is characteristic of a "sovereign" political unit, since in order to do this the power in question must be respected (either through acceptance or force) by the general population. </span>