Final answer:
The article 'Ethnicity Imagined' by Lemarchand explores the concept of ethnicity and its distinction from race and nationality.
Step-by-step explanation:
The topic of the article 'Ethnicity Imagined' by Lemarchand is 2) The Concept of Ethnicity. The article explores the idea of ethnicity as a shared culture and national origin, and how it is different from race and nationality. It discusses how Americans use multiple frameworks to maintain categories of ethnic identity and the confusion that often arises when these concepts are treated as one.