Marxism explains all forms of oppression as rooted in class society, while theories stemming from postmodernism reject that idea as "essentialist" an… - Sharon Smith

The concept of intersectionality was first developed by Black feminists, not postmodernists. Black feminism has a long and complex history, based on the recognition that the system of chattel slavery and, since then, modern racism and racial segregation have caused to suffer in ways that are never experienced by white women.

There can be no such thing as a simple "women's issue" in a capitalist system founded on the enslavement of Africans, in which racism remains embedded in its foundation and all its institutions. Nearly every so-called "women's" issue has a racial component.

To be clear: there is no question that postmodernism has advanced the struggle against all forms of oppression, including the oppression experienced by trans people, those with disabilities or who face age discrimination, and many other forms of oppression that were neglected before postmodernist theories began to flourish in the 1980s and 1990s. ... At the same time, however, postmodernism also arose as a blanket rejection of political generalization, and categories of s and material realities, referred to as "truths," "totalities," and "universalities"--in the name of espousing "anti-essentialism." (To be sure, such a blanket rejection of political generalization is itself a political generalization--which is an inherent contradiction of postmodernist thought!)