It was the "B. Battle of Iwo Jima" that was one of the most devastating for U.S. Marine Corps, since this was a five-week-long battle waged by the US against the Japanese that was one of the bloodiest in the entire war.
Answer:
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B
a. transcontinental railroad owner
Answer:
bc slavery wasn't legal in the more north headed states and the practice wasn't used on many over there
Explanation:
By saving needed resources