1, alfred thayer mahan (1840- 19 14) was born in a professor's family at West Point Military Academy on September 27th, 2000. 1859 After graduating from Annapolis Naval School, he worked in the United States Admiralty. 1862- 1864, transferred to the naval academy to teach. 1877 transferred to the head of the Department of Ordnance and Shooting at Annapolis Naval School. 1886 transferred to the naval academy to teach, mainly teaching sea power theory and naval history. 1886- 1889, 1892- 1893 served as the dean of the naval academy twice.

2. mahaney's naval theory research began in 1879. This year, he wrote his first paper, The Education of Naval Officers. In this paper, Mahan put forward the following view: "History disapproves of this view, that is, firmly believing that peace means ensuring that war will not happen." 1880, when Mahan learned that a French company was going to build the Panama canal, he complained that the United States "stood by" and thought that the US navy ranked 12 in the world at that time was only a "defensive force" and "needed an offensive force to deal with the enemy coastline". "In order to control the isthmus, we must have a strong navy. He found that human mobility at sea exceeded that on land.

3,' sea power', so that every reader can clearly understand the current international situation and the heavy pressure facing China. And guide China to break the ice, and stop being confused about the future of China.