Identify and describe four (4) examples of U.S. federal government expansion of authority between the beginning of the U.S. Civil War and the end of the Civil Right Era.
These examples must be placed in the context of the importance of the following developments in the United States:
Political structures
Social structures
Economic structures
Format your response using APA document guidelines, to include a title page, abstract page, content, and reference page. Citations and references should use APA style standards.