The war in the eastern and western front was the same in the sense that both fronts used similar or even the same tactics as at the time of the war, this was the only way how war was being done. On both fronts, there were immense artilery shellings going on together with huge loss of life. However, in the eastern front, one has to add the horrible conditions - extreme cold, rain, winter, etc. to this.
The Nazis separated Jewish people into small, condensed communities called <u>ghettos</u>. They also gave the Jewish populace <u>Yellow patches</u> (or badges), so, they would be able to identify the Jews from the rest of the population.