They both have similar meanings.
Credit means you could say a source of proud or reward of something.
Credence somehow means the same like the likelihood of something to be true.
"but" is a coordinating conjunction
China has the highest at 1.42 billion.
The right answer for the question that is being asked and shown above is that: "the degree of authority he is forced to wield." the statement that the speaker lamenting in the passage above is that the degree of authority he is forced to wield<span>
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