US Presidency in the 20th Century: Key Changes
Source: Presidency of the United States of America - 20th Century Changes (2025-09-20)
The excerpt highlights the evolving nature of the U.S. presidency throughout the 20th century, emphasizing significant shifts and developments. It suggests that the role and influence of the president have undergone notable transformations during this period. While specific details are not provided, the mention of Britannica indicates a comprehensive overview of these changes, likely covering political, social, and institutional aspects of the presidency in the 20th century.