The first super bowl halftime shows featured what kind of musical act?.

How can changes in technology or consumer demand make it difficult for people to get jobs? by changing the number or kind of jobs available by making it possible for some people to work fewer hours by making it difficult for people to buy what they want by creating a demand for things that are not available

What is the subcategory of tournament,pageant,match (used as a noun)

Which argument for religious reform might be convincing to a priest, pope, or king?