The peace treaty between spain and the united states resulted in u.s. control of the philippines, a. brazil, argentina, and chile. b. as well as all spheres of influence in china. c. as well as the panama canal. d. puerto rico, guam, and cuba.

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Puerto Rico, Guam, and Cuba.

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The answer would be D. Puerto Rico, Guam, and Cuba.

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No, not in the thermodynamic sense. Melting ice costs energy, exactly the same amount as freezing water gives off. The two processes are opposites. According to the laws of thermodynamics, if you reverse a process, the "state variables" like energy are therefore exact opposites too.