Answer: Plot
Explanation:The Namesake depicts the struggles of Ashoke and Ashima Ganguli (Irrfan Khan and Tabu), first-generation immigrants from the East Indian state of West Bengal to the United States, and their American-born children Gogol (Kal Penn) and Sonia (Sahira Nair).
In history such as World History? You should be able to distinguish the trends and differences in different periods say "Period 1 vs. Period 2" where each period represents a different range of years (in AP World History I learned it with 6 periods but it varies from year to year of when it is taught)
I believe the answer to this question is D and E. I could be incorrect, but I hope this helped!