(A) Great Britain
(B) United States
(C) Cuba
(D) ** Spain
EXPLANATIONS BELOW
Concept note-1: -The islands ruled by Spain were chiefly the Greater Antilles such as Hispaniola (inclusive of modern-day Haiti and the Dominican Republic), Cuba, Jamaica, and Puerto Rico.
Concept note-2: -The war ended with the signing of the Treaty of Paris on December 10, 1898. As a result Spain lost its control over the remains of its overseas empire–Cuba, Puerto Rico, the Philippines Islands, Guam, and other islands.
Concept note-3: -At the end of the century most of the remaining Spanish Empire ( Cuba, Philippines, Puerto Rico and Guam ) was lost in the Spanish American War in 1898.
Concept note-4: -Spain experienced its greatest territorial losses during the early 19th century, when its colonies in the Americas began fighting their wars of independence. By 1900, Spain had also lost its colonies in the Caribbean and Pacific, and it was left with only its African possessions.