_________ is the deliberate and systemic extermination of a national, ethnic, racial, or religious group.
a. Nationalism
b. Genocide
c. Authoritarianism
d. Marginalization
"extermination" here means killing- and the most well-known example of such killing was the regular extermination of the Jewish population in Europe by the Nazis.
This is known as Genocide- the correct answer is b). The other options are not generally connected to killing.
