Related Clues:

• Cause championed by 65-Down
• Cause associated with 38-Across
• What King campaigned for in lay services, we hear
• *Cause championed by Martin Luther King, Jr
• Cause that King dedicated his life to
• Cause championed by the figures named at the ends of 16-, 22- and 47-Across
• Cause espoused by 36 Across