Sentence:  From the position of possibility created by separating from <WSD>heterosexualism</WSD>, Hoagland incites a "moral revolution" that can enable lesbian agency and might also lead to the end of <WSD>heterosexualism</WSD>, gender domination, and the (moral) existence of women and men. 
Meaning of the word marked with <WSD> tags:  The state or existence of heterosexuality, including the traditional gender roles that accompany it.