I think it's spheroid?
Not actually sure this is actually a question I was on...
...Sorry guys that one was WRONG it's actually <u><em>ellipse</em></u>.
Answer:
Nationalism was a great cause of World War one because of countries being greedy and not negotiating. Nationalist groups in Austria-Hungary and Serbia wanted independence. France wanted Alsace Lorraine back from Germany who was lost in 1871 Franco-Prussian war.
Explanation: