Answer:
B. nationalism.
Explanation:
The nationalism that originated in the times of the French Revolution changed over the years. By the beginning of the 20th century, most European peoples identified with a nation state and were willing to defend or go for interests of a homeland.
The nationalism fueled competition over economic, social aspects, and was best explained by the rivarly between the French and the Germans.
Prussian -French war caused the tensions to increase among the former.
The rivalry was also felt between the English and the Germans over the seas. The increased trade and foreign trade also was a important force that brought tensions in other continents.
The concept of Nationalism emerged to the most, in the military propagandas, and the racial and ethnic policies from the Central `powers.
<em>A fierce state of things promoted a national army in numbers that were unprecedent to the times- and the war effort ultimately was propeled by nationalistic groups that prevailed among societies.</em>
The development of irrigation systems made farming easier, as water was more easily accessible to crops. This meant that food could be produced more efficiently. More efficient farming techniques meant that food was more plentiful, where people weren't constantly scrambling for their next meal or going days without eating. It also gave people the ability to specialize in certain trades, creating better quality of goods and advancing technology in civilizations.
I would say that the answer to the more than 11 million people were killed would be because Hitler practiced genocide especially of the Jewish people, in Europe. This was a crime against humanity and one which was met with the armed opposition by the Allies, including the Soviet Union.
Yes there are formal qualifications as you mentioned and also there is quite differences between the terms of federal and Supreme Court judges.
So, I hope you are happy with this answer?……..