What did Alfred T. Mahan argue in his book the influence on sea power upon history?

In his book "The Influence of Sea Power upon History, 1660-1783," Alfred T. Mahan argued that naval power was crucial for national greatness and the ability to project influence globally. He contended that control of the seas through a strong navy, strategic naval bases, and merchant shipping was essential for a country's economic and military success. Mahan's ideas emphasized the importance of maritime dominance in shaping historical events and the rise of great powers, influencing naval strategies and policies in the United States and beyond.