 This system of socio-political dominance is  reinforced by gender norms, which ascribe traits of femininity and masculinity to men and women;
<clarity>  This system of socio-political dominance is  reinforced by gender norms, which ascribe traits of femininity and masculinity to men and women;
 This system of socio-political dominance is said to be reinforced by gender norms, which ascribe traits of femininity and masculinity to men and women;