The Nazis claimed that the Jews has supported the allies in the First World War. Also, the Nazis feared the growth of the Jewish population and Jewish influence.
It was their existence, not their appearance, that was targeted.
The Jews targeted in the Holocaust were civilians.
Jews
no
jews
Jews (and Gypsies)
The Jews.
The Jews
Yes, Jews were especially targeted by Hitler and the Nazis.
In a way they invented NASA, and the CIA, and they had influence in different government agencies.
The only races targeted for complete destruction were the Jews and the 'gypsies'. Many other groups were also targeted, but either were not ethnic groups (races) or were not targeted for completed destruction.
There were many groups targeted for persecution by the Nazis. But the group that was hardest targeted and suffered a greater proportion of deaths than even the Jews were the Gypsies.