Evolutionary psychology represents one of a broad list of studies based on biological conditions that are used to analyze human behavior. Experts in evolutionary psychology indicate that most of our behavior is conditioned by our psychological mechanisms. These mechanisms can be memory, language, the way we perceive, and more.
The correct answer should be she uses themes such as “first world war” and “thanksgiving day.”
This helps build the setting by pointing out to the time period that is being discussed, and then even further zooming in by showing it around thanksgiving.