How did Nazis justify the persecution of political opponents, such as leftist and communist?

A- Nazis claimed that any opposing political party was part of a secret Jewish conspiracy, and needed to be stopped
B- opponents of the Nazis argued for the protection of ethnic minorities and people with disabilities
C- political opponents of the Nazis were all ethnic minorities, so they use propaganda create persecution
D- Nazis claim that the German peoples deserved greater living space which political opponents rejected

D- Nazis claim that the German peoples deserved greater living space which political opponents rejected