Why Has the Spanish-American War Been Renamed the War of 1898

Why has the Spanish-American War been renamed the War of 1898?

A) It lasted nearly all of the 1880s, culminating in 1898.
B) The Spanish initially started the war but soon dropped out of it.
C) In the last phase of the war, Spain and the United States were on the same side.
D) The Spanish-American War predominantly took place in the Indian Ocean.
E) Cubans, Puerto Ricans, and Filipinos also engaged in the fighting.