Final answer:
W.E.B. Du Bois and Harriet Martineau shared a commitment to social equality and fighting against discrimination.
Step-by-step explanation:
W.E.B. Du Bois had in common with Harriet Martineau the belief in social equality and fighting against discrimination.
Both Du Bois and Martineau advocated for the rights and empowerment of marginalized groups.
Du Bois focused on advocating for African Americans, while Martineau fought for the rights of women and other oppressed groups.