The point which Kennedy and Nixon disagrees on is:
According to the given question, we are asked to state the point which Kennedy and Nixon disagrees based on the passage from the Kennedy-Nixon debates.
As a result of this, we can see that from the debate, we can see that Richard Nixon is of the opinion that America is in fact progressing under his administration, while John Kennedy believes that America is standing still and not progressing,
Therefore, the correct answer is option B
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