USA HISTORY

Detailed explanation-1: -Roosevelt served as Assistant Secretary of the Navy under President McKinley, and in 1898 helped plan the highly successful naval war against Spain.

Detailed explanation-2: -William McKinley was the 25th President of the United States, serving from March 4, 1897, until his assassination on September 14, 1901, after leading the nation to victory in the Spanish-American War and raising protective tariffs to promote American industry.

Detailed explanation-3: -Before becoming President of the United States, Theodore Roosevelt was the Assistant Secretary of the Navy. He resigned in 1898 to organize the Rough Riders, the first voluntary cavalry in the Spanish-American War. The U.S. was fighting against Spain over Spain’s colonial policies with Cuba.

Detailed explanation-4: -At age 39, he left his wife and children to recruit and lead an all-volunteer cavalry division known as the Rough Riders. Roosevelt led the Rough Riders in the 1898 Spanish-American War.