In "I Have a Dream," King says that part of his purpose is "to remind America of the fierce urgency of now." "Letter from Birmingham Jail" also expresses the need to act swiftly on the issue of civil rights. According to details in both selections, which answer best explains why King feels that sweeping civil rights reform is an immediate need?

a) The urgency of political pressure
b) The immediacy of legal consequences
c) The urgency of racial injustice
d) The immediacy of economic reform