Read the sentence from the passage.

So, first of all, let me assert my firm belief that the only thing we have to fear is fear itself—nameless, unreasoning, unjustified terror which paralyzes needed efforts to convert retreat into advance.
How does the sentence add to the development of the text?

a. The sentence introduces the notion that FDR believes that the country should fear its leadership.

b. The sentence establishes that widespread fear and panic will only worsen the country's condition.

c. The sentence detracts attention away from FDR's previous focus on the poor state of the nation.

d. The sentence emphasizes that an abundance of human emotion will weaken the nation's economy.