(A) Civil War ended
(B) Mexican War ended
(C) First World War began
(D) ** Spanish American War began
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 Spanish-American War of 1898 ended Spain’s colonial empire in the Western Hemisphere and secured the position of the United States as a Pacific power.
Concept note-3: -The Treaty of Paris is signed by representatives from the U.S. and Spain, ending the Spanish-American War. The Treaty of Paris is ratified by the U.S. Senate. Under the treaty, the U.S. acquires control over Cuba, Puerto Rico, Guam and the Philippines.
Concept note-4: -What were the results of the Spanish-American War? The United States emerged as a world power; Cuba gained independence from Spain; the United States gained possession of the Philippines, Guam, and Puerto Rico.
Concept note-5: -The Spanish–American War (April 21 – August 13, 1898) was a period of armed conflict between Spain and the United States. Hostilities began in the aftermath of the internal explosion of USS Maine in Havana Harbor in Cuba, leading to United States intervention in the Cuban War of Independence.