Original sentence: Nazi policies labeled centuries-long residents in German territory who were not ethnic Germans such as Jews (understood in Nazi racial theory as a "Semitic" people of Levantine origins), Romanis (also known as Gypsies, an "Indo-Aryan" people of Indian Subcontinent origins), along with the vast majority of Slavs (mainly ethnic Poles, Serbs, Russians etc
Edited sentence: Nazi policies labeled centuries-long residents in German territory who were not ethnic Germans such as Jews (understood in Nazi racial theory as a "Semitic" people of Levantine origins), Romanis (also known as Gypsies, an "Indo-Aryan" people of Indian Subcontinent origins), along with the vast majority of Slavs (mainly ethnic Poles, Czechs, Russians etc