The Zimmermann note helped turn U.S. public opinion against Germany during World War I and strengthened the advocates of U.S. entry into the war.
Weather/ Climate. Precipitation normally occurs during the late spring, early summer. There is an annual average for precipitation: 20 to 35 inches. In the Summer temperatures average about 100 degrees fahrenheit. In the Winter tempreratures can be as low as - 40 degrees fahrenheit.
Grasslands are dry, very windy, and the temperature varies from 113 degrees Fahrenheit in the summer and -49 degrees in the winter. Usually no colder than 20 degrees in Africa.