Answer: Countries that have varying climates will often also have unstable economies. So the answer is: Countries that have varying climates are unable to make use of their natural resources.
Explanation: The vegetation and climate in North America are very varied: it has most of the climates of the world. In the north there are arctic tundra (eg Greenland, Yukon), passing through a great variety of forests (Rocky Mountains, Appalachia and the three Mother Sierras (in California and Wyoming)), tropical forests (Lacandon Jungle, Hawaii and the Chimalapas), deserts (Sonoran Desert, Zona del Silencio), plains (Great Plains, Comarca Lagunera), mangroves (eg Luisiana, Tabasco), etc. Grosso modo, the vegetation associated with them is typical of the Holoártico empire, in the north, and of the Neotropical empire, in the south.
Answer:
influencing public opinion and forming political action committees
C. tolerance should be the answer
