That's a common complaint I have with sim games, as well.Menus that pop up and have you make a decision, without being able to check what you're deciding on.
As far back as Civ II. I take it these Elvis heads represent "entertainers"? Uhh, ok. Why do I have to sacrifice tax collectors for Elvis heads? And how will I know when I need more Elvis heads? Answer: I just wait for the rioting to start.