The Spanish-American War significant in the history of American government is discussed below.
Explanation:
The Spanish-American War was a dispute among the America and Spain that concluded Spanish colonial control in the Americas and finished in the U.S. possession of regions in the westernmost Pacific and Latin America.
The most significant outcome of the Spanish American war was that it began to the United State obtaining a huge number of previously-owned Spanish regions, including Puerto Rico, and a huge portion of the Philippines.