(A) They did not like Spain and how powerful they had become.
(B) ** They wanted to show how powerful a nation it had become.
(C) They wanted to end all of the monarchies in Europe.
(D) They wanted pay back after the Revolutionary War.
EXPLANATIONS BELOW
Concept note-1: -The main issue was Cuban independence . Revolts had been occurring for some years in Cuba against Spanish colonial rule. The United States backed these revolts upon entering the Spanish–American War.
Concept note-2: -The reasons for war were many, but there were two immediate ones: America’s support the ongoing struggle by Cubans and Filipinos against Spanish rule, and the mysterious explosion of the battleship U.S.S. Maine in Havana Harbor.
Concept note-3: -Many agree that the main causes of the Spanish–American War was Cuba’s struggle for independence and the sinking of the USS Maine on 15 February 1898. An explosion, then thought to be caused by a mine, killed over 260 of the 354 American crew members.
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.