bias: (n.) The preferences or prejudices that a person has; (v.) to influence judgment or perspective, often in a way that causes prejudice. chronological reasoning: Putting events in sequence and making connections based on continuity and change. historical narrative: A story, based on historical evidence, that presents ideas about what happened in the past. historical thinking skills: Skills that historians apply to analyzing evidence and information to make sense of the past. periodization: The ability to describe, analyze, evaluate, and construct models to organize history into discrete periods. theme: A topic of historical inquiry that serves as a big idea or lens for examining and understanding the past. theme of America in the world: