Learners explore the the Age of Imperialism using primary sources and an authentic College Board documents-based question. Other prompts explore the economic changes brought about by the American Civil War, technology, mercantilism, and...

After the Revolutionary War, the success of the United States was far from guaranteed. Foreign powers coveted the new land, and Great Britain challenged American sovereignty. Learners consider the challenges facing the new nation using...

Were unfair taxes really the cause of the American Revolution? Learners explore the complicated historiography behind the revolutionary period using authentic College Board prompts. The free-response questions from the exam feature...

Need a teacher's guide all about Sam Houston and how he relates to the Texas Revolution? Look no further! The guide includes a timeline detailing Houston's life, important milestones, and relevant maps that include his movement around...

Carbon is in the air; should we care? Teach the class why it is important to pay attention to carbon levels and how the world population and various countries across the globe affect the carbon levels in the atmosphere. High schoolers...