(A) ** Guam
(B) Spain
(C) ** Puerto Rico
(E) ** Philippines
EXPLANATIONS BELOW
Concept note-1: -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-2: -The treaty was signed on December 10, 1898.
Concept note-3: -The Treaty of Peace between the United States of America and the Kingdom of Spain, commonly known as the Treaty of Paris of 1898 (Filipino: Kasunduan sa Paris ng 1898; Spanish: Tratado de París de 1898), was a treaty signed by Spain and the United States on December 10, 1898, that ended the Spanish–American War.
Concept note-4: -Don Felipe Agoncillo y Encarnación (May 26, 1859 – September 29, 1941) was the Filipino lawyer representative to the negotiations in Paris that led to the Treaty of Paris (1898), ending the Spanish–American War and achieving him the title of “outstanding first Filipino diplomat."