What significance does alfred t. mahan have on expansion and imperial policies of the late 1800s?

“Milestones in the History of U.S. Foreign Relations” has been retired and is no longer ... In 1890, Captain Alfred Thayer Mahan, a lecturer in naval history and the ... to U.S. foreign policy, particularly in the quest to expand U.S. markets overseas. ... who is best known for his seminal essay of 1893, “The Significance of the ...

Explanation:

the most famous of all the units fighting in cuba, the "rough riders" was the name given to the first u.s. volunteer cavalry under the leadership of theodore roosevelt. roosevelt resigned his position as assistant secretary of the navy in may 1898 to join the volunteer cavalry. the original plan for this unit called for filling it with men from the indian territory, new mexico, arizona, and oklahoma. however, once roosevelt joined the group, it quickly became the place for a mix of troops ranging from ivy league athletes to glee-club singers to texas rangers and indians.