During World War I, the government nationalized telephone and telegraph lines in the United States from June 1918 to July 1919, when, after a joint resolution of Congress, President Wilson issued an order putting them under the direction of the U.S. Post Office.
Quick Answer. Some of the things that cause temperatures change on Earth include the greenhouse effect, the amount of heat from the sun reaching Earth, deforestation and changes in Earth's surface with regards to reflectivity. Temperature change on Earth has become a major topic of debate in recent years because of its negative effects.
Earth's orbit does not cause seasons. Many believe that the seasons on the Earth occur because of its elliptical orbit around the Sun, with winter occurring when the Earth is at the Aphelion, and summer when the Earth is at the Perihelion.This is not true.The Earthâs movement around the sun has very little effect on the onset of seasons at either hemisphere. In fact, the Earth is at the Perihelion or closest to the sun around the winter solstice, while the earth is farthest away from the sun or at the Aphelion around the summer solstice.his is not true. The Earthâs movement around the sun has very little effect on the onset of seasons at either hemisphere. In fact, the Earth is at the Perihelion or closest to the sun around the winter solstice, while the earth is farthest away from the sun or at the Aphelion around the summer solstice.