Answer:
Major developments of transportation included toll roads, steam boats, canals railroads, textile mills, and also interchangeable parts.
Explanation:
Women's right to vote. The biggest change was that women felt that they were finally getting able to be equal to men.
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Answer:The death of his wife is the reason
Explanation:
I suspect that as an experienced cold war warrior he also appreciated that a tactical nuclear submarine that was virtually undetectable would shift the balance too far from the stalemate that was required for world peace.