Answer:
<em>Spanish-American War, (1898), conflict between the United States and Spain that ended Spanish colonial rule in the Americas and resulted in U.S. acquisition of territories in the western Pacific and Latin America.</em>
<em>On April 25, 1898 the United States declared war on Spain following the sinking of the Battleship Maine in Havana harbor on February 15, 1898. The war ended with the signing of the Treaty of Paris on December 10, 1898. As a result Spain lost its control over the remains of its overseas empire -- Cuba, Puerto Rico, the Philippines Islands, Guam, and other islands.</em>
Explanation:
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Answer:
The answer is option (B) Hydrothermal vents
Explanation:
Alvin is a submersible ship (that operates underwater). The ship is owned by the United States Navy. It has the capability of diving into very deep and dark ocean depths to carryout underwater explorations.
Prominent among Alvin's explorations was its discovery of Hydrothermal vents in 1977. The discovery established that vents exist underwater and that they (the vents) spray minerals into oceans when heated by magma.
They did not want to lose South Vietnam to Communism.
