Feminist philosophers contend that women have been left out of traditional theories of

The correct answer is "philosophy."

Feminist theorists critique the idea that women have been left out of the narrative of human history in general, which explains why this answer is so broad. Indeed, in several branches of philosophy (political, ethical, etc.), women have not had a voice until very recently, since the perceived role of women has been in the private sphere (domestic life) rather than the public one until modern times.  

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