the role of the identity cards in world war two were to make sure there were no enemy imposters :D x
you
yse and no
religious community
The entire Torah.
they didn't. In the eyes of the Nazis the Jews never had individual identities.
If you are referring to the Judenraete during the Holocaust, Jews were required to register by German Law. Failure to register with the Judenrat was punishable by death. Other than that, there is no "Council of Jews" as some nebulous term for a Jewish International Organization. Jews do not have any international database or organization in which conscription is necessary.
He gave them a number and took away their identity
The only answer is the Torah.
By learning the Torah and keeping its laws.
The answer is Recontructionists :)
By keeping the Torah.