The path to a more perfect union was rockier than most history books would lead you to believe. Young historians read “Antifederalist No. 47,” written by James Madison (under the pen name “Centinel”), which sharply criticizes the...

A company producing smoke alarms has a monopoly. However, what factors influence its profit and production? A series of prompts from College Board asks learners to consider the impact. Other practice problems include examining what...