Which of the following statements describes a sign that racial relations were changing after World War II?
group of answer

a/Hoping to cast their votes, southern blacks started to emigrate to the North.

b/Jackie Robinson, the baseball player, came close to joining the Dodgers.

c/The number of interracial marriages grew considerably.

d/In several episodes of his radio show, Superman fought against the Ku Klux Klan.

e/Lynching practices considerably declined.