Final answer:
During the first six months of Operation Barbarossa, the Nazis primarily focused on the military campaign against the Soviet Union. However, the persecution and murder of Jews were integral to Nazi policies and ideology. It is estimated that around six million Jews were killed during the entire Holocaust.
Step-by-step explanation:
In the first six months of Operation Barbarossa, the Nazi invasion of the Soviet Union that began in June 1941, the primary focus of the Nazis was not specifically the murder of Jews but the military campaign against the Soviet Union. However, the persecution and murder of Jews were integral to Nazi ideology and policies. The systematic extermination of Jews was carried out through various methods, including mass shootings, gas chambers, and concentration and extermination camps. It is estimated that during the entire Holocaust, which ended in 1945, around six million Jews were killed.
Learn more about The Holocaust and Nazi persecution of Jews