Perhaps, you could've mentioned how he resigned from the the NAACP in disgrace in 1948 on the threat of being thrown out as being antithetical and hostile actor to that organisation?
From his Wikipedia page, which anyone can easily access and see:
'The Soviets explicitly rejected racial distinctions and class distinctions, leading Du Bois to conclude that the USSR was the "most hopeful country on earth".[281]'
Wow, what a leader, eh?