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...

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...

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...