(A) It marked the first victory for the Us over a European power.
(B) ** It demonstrated how the US had become a world power.
(C) It demonstrated the need for better communications in wartime.
(D) It showed how America supported European economic interests in East Asia.
EXPLANATIONS BELOW
Concept note-1: -As a result of the war, the United States acquired Puerto Rico, Guam, and the Philippines as territories.
Concept note-2: -Representatives of Spain and the United States signed a peace treaty in Paris on December 10, 1898, which established the independence of Cuba, ceded Puerto Rico and Guam to the United States, and allowed the victorious power to purchase the Philippines Islands from Spain for $20 million.
Concept note-3: -U.S. victory in the war produced a peace treaty that compelled the Spanish to relinquish claims on Cuba, and to cede sovereignty over Guam, Puerto Rico, and the Philippines to the United States. The United States also annexed the independent state of Hawaii during the conflict.
Concept note-4: -How did the Spanish American War make the United States a world power? The US victory in the Spanish American War resulted in the Us gaining possession and/or control of many new territories. These and other territorial gains resulted in the creation of a new far flung empire.