US Presidency in the 20th Century: Key Changes
Source: Presidency of the United States of America - 20th Century Changes (2025-09-20)
The excerpt references the evolution of the U.S. presidency during the 20th century, highlighting significant shifts and developments. It suggests that the role and influence of the presidency underwent notable transformations throughout this period. While specific details are not provided, the mention of Britannica indicates a comprehensive overview of these historical changes, emphasizing the importance of understanding how leadership in the United States evolved during this era.