Malcom x was a Black and Muslim leader in the civil rights movement and advocate for the American Black Nationalist movement. He spread teachings about Black pride and believed that Black Americans should protect themselves by any means which was the opposite of MLK’s non violent stance. 

CPUSA stands for Communist Party USA. It was established in 1919 and their goal was to eliminate social class struggles by creating a classless society where everyone benefits from eachother and the state controls all wealth and property. The CPUSA was formed after the Russian revolution when a split in the socialist party of America occurred.