Answer:
The correct answer is letter "B": the creation and widespread use of administrative agencies.
Explanation:
The U.S. Administrative agencies are bodies of the government with the power of enforcing and rule diverse matters of the law. Examples of administrative agencies are the Central Intelligence Agency (CIA), Environment Protection Agency (EPA), Federal Trade Commission (FTC), and the Securities and Exchange Commission (SEC) to mention a few.
As each body has enough independence and authority to create rules of their competence (approved by Congress), the number of regulations has increased exponentially in the U.S.