Relationship demographics have changed significantly during the past seventy years. What are the cultural and social norms that have caused these transitions? Clearly identify a specific demographic change that you will explore for this assignment. For example, why has singlehood increased as a life option? Why have more people joined in interracial/interethnic relationships? How has the marriage equality act influenced LGBTQ+ partnering/marriage? Why have divorce rates decreased in the U.S.? Use at least two academic sources and specific references from the texts and the content guides to support your thesis.