Be sure the short sentences in your paragraphs carry:

The Production Code finally began to allow all of the following except

a. sexual deviance b. drug addiction c. kidnapping d. words like "virgin"

According to the text, what is it in part that makes campaigns difficult to evaluate?

a. The components of a campaign components do not operate in isolation. b. Campaigns are often run over long periods of time. c. Campaigns involve a range of different people and their respective capabilities. d. Campaign outcomes are often not well documented.