How did alfred thayer majan in the creation of an american empire?
a. he provided 3 strategies that would greatly increase america’s sea power.
b. he exposed the problem of america’s lack of frontier land. c. he supported isolationism as a national policy.
d. he drafted the naval act of 1890

b

Explanation:

The Influence of Sea Power upon Historyappeared in 1890 and The Influence of Sea Power upon the French Revolution andEmpire in 1892. These works made Alfred Thayer Mahan one of the leading spokesmen for the age of imperialism. ... Alfred Thayer Mahan also argued that modern navies needed repair and coaling stations.( make sure and rephrase It because I found it online)

it the big letter b heart my answer