I think you're asking whom he lost to, in that case it was Woodrow Wilson
It was the "League of Nations" that was the international governmental organization that the United States declined to join after World War I, since most Americans thought this would entangle them in more European wars.
I believe it was B since he reversed several previous positions. While he did meet with MLK, I don’t think he had anything to do with founding the SCLC.
Answer:
1) The act of implicating oneself in a crime or exposing oneself to criminal prosecution.