Original sentence: Like Jews living in Hungary, most of the Jews in Northern Transylvania (about 150,000) were sent to concentration camps during the Hungarian occupation.Northern Transylvania is the part of Transylvania which belonged to the Kingdom of Hungary from 896 century until 1920 (the Treaty of Trianon), and which was given back by Germany to Hungary in the Vienna Awards of 1940.Some of the Romanian population, in this region fled or was expelled
Edited sentence: Most of the Northern Transylvanian Jews (about 150,000) were sent to concentration camps during the Hungarian occupation.Northern Transylvania is the part of Transylvania which was given by Germany to Hungary in the Vienna Awards of 1940.Some of the Romanian population, in this region fleed or was expelled