Read the research topic and research question.
research topic: causes of world war ii
research question: what events contributed to the beginning of world war ii?
which is a more effective research question than the existing one?
a. which individuals in germany caused world war ii?
b. how did events in history contribute to the beginning of world war ii?
c. did specific world events, such as the treaty of versailles, contribute to the beginning of world war ii?
d. how did the treaty of versailles contribute to german nationalism and militarism before world war ii?