The us international power grew as a result of the spanish war because it

As a result of the Spanish-Cuban-Filipe-American War the U.S. got the territories of Guam, Puerto Rico, Philipines and turned Cuba into some sort of protectorate. This war was also used by the U.S. as an opportunity to annex Hawaii.

Because of all these new territories that the U.S. annexed in order to have more consumer market for its goods, American goods had open access to the Pacific and from there to China. The U.S. was on the path to become one of the bigger economies of the world.