The correct answer to this open question is the following.
What do you think the Tennessee Valley would be like today if the TVA had never been created?}
Established in 1933, the Tennessee Valley Authority (TVA) was the creation of President Fraklin D. Roosevelt as part of his New Deal Program to counter-attack the effects of the Great Depression in the United States. So if the TVA had never been created, the Tennessee Valley would be different from what is today due to the fact that Roosevelt improved the conditions of this region by creating jobs and constructing power plants to bring electricity to this once poor region of the US. It became the first federal electricity company and really played a great role in the development of this rural part of America.
Continual melt from glaciers contributes water to the ecosystem throughout dry months, creating perennial stream habitat and a water source for plants and animals. The cold runoff from glaciers also affects downstream water temperatures.
The Mexican army attacked them. The main cause of the war was the westward expansion of the United States. All through the 19th century Americans believed it was their right to expand westward. At the time they believed they could conquer the people already living on the land and take it for the United States.
