New Deal discrimination convinced Du Bois that Black self-reliance was essential.

Evidence

The more antiracist W. E. B. Du Bois became, the more he realized that trying to persuade powerful racists was a waste of time, and the more certain he felt that Black people must rely on each other. What probably solidified the need for Black solidarity in Du Bois’s mind the most was studying the remedies for the Great Depression coming out of Washington. — Ibram X. Kendi, Stamped from the Beginning, 868