Answer:
The Ice-Free Corridor hypothesis (or IFC) has been a reasonable theory for how human colonization of the American continents occurred since at least the 1930s. ... In 1840, Louis Agassiz put forward his theory that the continents had been covered by glacial ice at several points in our ancient history
Explanation:
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(if any questions put them below and I'll try my best to answer any)
Who defended slavery and slaves rights?
It is A: John C. Calhoun. He gave a speech to the US Senate in 1837 articulating the pro-slavery political argument.
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Who took the view of the federalists and the power of the national government?
It is B: Daniel Webster. He earned his fame for his supporting in the fed gov and helped ease border tensions.
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Who was known as the “Great Compromiser?”
It is C: Henry Clay. He played a major role in formulating the three landmark sectional compromises: Missouri Compromise of 1820, Tariff Compromise of 1833, etc.
Only 600 were left standing in what was one of the costliest battles in the pacific front. The japanese were the most affected with heavy casualties and suicide cases.