Answer:
the collapse of the soviet union
Explanation:
The Correct Answer is Regulations
Cuba. Here is evidence: "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."
Source: https://history.state.gov/milestones/1866-1898/spanish-american-war
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