United States History

Please write a research paper on the following History Questions in form of an essay. Questions should be well answered in progression from first to last in 3-4 pages.

Describe and explain how and why the United States became involved in World War II. How did that involvement impact the Allied war effort? How did it shape the position of the United States in international affairs? What were the short- and long-term effects of that war on the American home front (politically, economically, and socially)?