Cheat sheet
A condensed reference for the formulas, graph-reading rules, and must-know facts most worth reviewing before exam day.
Practice this first: The World Wars and Depression - WWI, the Great Depression/New Deal, and WWII are the densest, most-tested stretch.
Reviewing the sheet is step one. Passers are usually hitting about 70-80% on realistic practice before test day, so the fastest way to know you are ready is to start answering real questions.