Read the excerpt from Martin Luther King Jr.’s "I Have a Dream” speech.But we refuse to believe that the bank of justice is bankrupt. We refuse to believe that there are insufficient funds in the great vaults of opportunity of this nation.

The repeated phrase “We refuse to believe” shows that King and his audience firmly reject the idea that justice and opportunity have run out. This expresses a determined position, so the best choice is “take a firm stand.”

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