The answer is E. All of the above
The division of labor allowed people to specialize in different trades.
He was court-martialed on the charges of insubordination and insisted that the Navy should build aircraft carries rather than battleships. He believed that these new vessels would be vital when war would occur. In a way he was proven in World War II when aircraft carries were instrumental in many victories at sea.
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The answer is...
B. Northeast
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Answer:
tanks
Explanation:
tanks were a new invention in ww1