At the founding, America adopted the Western concepts of civil marriage and family, in which the mother played the primary role (shared with the father) in nurturing children, with the formation of character and moral values as essential objectives.
Tundra climate, major climate type of the KÃ¶ppen classification characterized by sub-freezing mean annual temperatures, large annual temperature ranges (but not as large as in the adjacent continental subarctic climate), and moderately low precipitation.
Temperature. In the Tundra, the majority of the year is characterized by a frigid winter season where the temperatures average -20 to -30. During the majority of the year the sun may not rise above the horizon at all during the long, dark winter months (Blue).