What Was NAACP Director James Weldon Johnson Referring to When

Multiple Choice

What was NAACP director James Weldon Johnson referring to when he coined the term "The Red Summer of 1919"?

A) the wave of vicious assaults by whites against black communities
B) the attacks and arrests made on communists and anarchists during the First Red Scare
C) the deadly attacks made by rival gang members in organized crime over the sale of alcohol
D) the militant protests undertaken by suffragists as they tried to get the states to ratify the Nineteenth Amendment