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.
Answer:
C) Was part of an attempt by the United States to acquire Cuba.
Explanation:
The Ostend Manifesto was a written document that invited the American Government to purchase Cuba from Spain, and in case Spain refused to sell, to invade Cuba with military force.
It takes the name from the city of Ostend, Belgium, were three American diplomats: James Buchanan, Pierre Soulé, and John Y. Mason met to draft the document.
The rationale behind the manifesto was to enlarge the U.S. territory, to protect national security from a weak, but anyways hostile Spain, and to establish a new slave state.
This manifesto was largely rejected by northerners, who saw it as just another attempt to extend slavery, and it in the end, it failed to gather support.
Answer:
Young people have the lowest turnout, though as the individual ages, turnout increases to a peak at the age of 50 and then falls again. Ever since 18-year-olds were given the right to vote in 1972, youth have been under represented at the polls as 2003.
Explanation:
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Answer:
They created alliances with other nations. They built barriers like the Great Wall of Qi.
