Cossack warrior - Russians moved across their region's vast plains to the Caspian Sea and the Ural Mountains. By the sixteenth century, they moved into Western Siberia. Peasant adventurers (cossacks) were recruited to occupy the new lands.
Each time we enter a public restroom, we are expected to identify our gender as either male or female. Segregating restrooms are stigmatizing towards those whose gender expression reaches beyond the gender binary.