Politicians Attempt to "Balance the Ticket" with Members of Many

Politicians attempt to "balance the ticket" with members of many important groups because:

A) interest groups frequently engage in direct lobbying to enhance diversity in campaigns
B) affirmative action legislation from the 1960s requires proportional representation in all elections
C) federal campaign finance laws provide higher spending limits for more "balanced" tickets
D) voters tend to prefer candidates who are closer to themselves in terms of race, ethnicity, religion, gender, geography, and social background
E) the Constitution requires at least minimal levels of representativeness in election campaigns