Nationalism is your answer. Nationalism is a system created by people who believe their nation is superior to all others. Most often, this sense of superiority has its roots in a shared ethnicity. Other countries build nationalism around a shared language, religion, culture, or set of social values.
I know this is a bit late for your question but I hope it helps future people! :-)
The comments could provide insight to the topics the teacher feels are ... Venn Diagram .... The most efficient way to memorize multiple layers of information all at once is .... Please select the word from the list that best fits the definition .... A short essay answer usually requires one or two supporting details to your answer.