Answer:
Holocaust.
Explanation:
The<u> Holocaust was the greatest genocide in the history of the world which led to the mass murder of the European Jews in Germany</u>. This <u>mass killing executed under the order of the Nazi leader Adolf Hitler</u> became and will remain one of the most heinous crimes ever carried upon a specific race and ethnicity.
The Kristallnacht or the Crystal Night or Night of the Broken Glass and the Warsaw Ghetto Uprising are also all forms of discriminatory acts against the Jews. The term <u>"Holocaust" is coined and used as a reference to the mass murder and discriminatory act against the European Jewish </u>people after the end of the war. This genocidal act was carried out in numerous concentration camps and gas chambers, where they are gassed if they are "not up to the mark" or are unhealthy while the good ones are made to work in the camps until they fall sick and die.
D. <span>Its people have rebelled against communism.</span>
Your answer is he opened Japan to the west.
I think number 2 is correct im not sure .. but lmk if im wrong
War
War times make people very patriotic or nationalistic.