President Kennedy, in those words from his inaugural speech in 1961, wanted to urge Americans toward public service and global service. Kennedy was instrumental in establishing the Peace Corps, which was put into place not long after his inauguration (already in March, 1961). The Peace Corps enlisted Americans as volunteers to give their time to serving underdeveloped nations in the world.
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However, vestigial organs have been used to justify how life changes over time. Vestigial organs are those organs that are no longer useful but are still in the body. an example of vestigial body in human beings is the appendix, which plays no role at all, but used to play important role in the past.
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.