I believe the answer to be A, but I only believe it is correct
By the Treaty of Paris (signed Dec. 10, 1898), Spain renounced all claim to Cuba, ceded Guam and Puerto Rico to the United States, and transferred sovereignty over the Philippines to the United States for $20 million. The Spanish-American War was an important turning point in the history of both antagonists.May 14, 2010
Explanation:
Britain attacking the Western United States