(A) McKinley’s pride
(B) Panama Canal
(C) ** USS Maine
(D) USS Brooklyn
EXPLANATIONS BELOW
Concept note-1: -On April 25, 1898 the United States declared war on Spain following the sinking of the Battleship Maine in Havana harbor on February 15, 1898.
Concept note-2: -On February 15, 1898, an explosion of unknown origin sank the battleship U.S.S. Maine in the Havana, Cuba harbor, killing 266 of the 354 crew members. The sinking of the Maine incited United States’ passions against Spain, eventually leading to a naval blockade of Cuba and a declaration of war.
Concept note-3: -In the evening of 15 February 1898, Maine sank when her forward gunpowder magazines exploded. Nearly three-quarters of the battleship’s crew died as a result of the explosion.
Concept note-4: -Maine was a United States Navy ship that sank in Havana Harbor on February 15, 1898, contributing to the outbreak of the Spanish–American War in April.
Concept note-5: -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.