Final answer:
The exact amount spent on leadership training annually is not provided in the references but education and campaign spending offer context for large-scale expenditures in similar areas. While education sees massive investments from state, local, and federal levels, corporate spending on leadership training might also be significant within a context of professional development.
Step-by-step explanation:
The question regarding leadership training expenditure isn't explicitly answered by the provided references. These references, however, contain insights into education spending and political campaign finances within the United States. In 2020, state and local governments spent approximately $970 billion on education, while the federal government spent around $100 billion. Meanwhile, $14.4 billion was spent on political campaigns, which is a fraction of the total U.S. economy and government spending. When considering leadership training within businesses, these figures suggest that considerable budgets are likely allocated towards education and professional development, which may include leadership training.
Since leadership training is a part of organizational development and typically falls within the broader category of education and professional development, a portion of the education budget, or separate organizational budgets, may be dedicated to this endeavor. To determine an exact figure for leadership training, one would need specific studies or reports that detail corporate spending on leadership and management development programs.