Read this excerpt from Article 2 of the Nuremberg Laws.

A Reich citizen is a subject of the state who is of German or related blood and proves by his conduct that he is willing and fit to faithfully serve the German people and Reich.

–Article 2,
Nuremberg Laws

What was the purpose of the Reich Citizenship Law?

to require that all German citizens be employed
to create legal protections for German citizens
to prevent Jewish people from practicing their religion
to remove Jewish people’s right to German citizenship

The purpose of the Reich Citizenship Law was to remove Jewish people's right to German citizenship and deny them legal protections.

The purpose of the Reich Citizenship Law was to remove Jewish people's right to German citizenship.