Answer:
B) oligarchy
Explanation:
ol·i·gar·chy
/ˈäləˌɡärkē/
noun
a small group of people having control of a country, organization, or institution.
a country governed by an oligarchy.
"the English aristocratic oligarchy of the 19th century"
government by an oligarchy.
This specific genocide (there were also other kinds of genocide in the history, such as the Armenian Genocide) is known as the Holocaust (Holocaust refers mostly to the Jewish population). Around 6 million people died in this genocide, and in this number half are Polish Jews.