Lesson 2 bias in history - power point Lesson 3 the dawn of democracy Lesson 5 comparative & absolute advantage - power point - duke Lesson 4 free trade - power point - duke-1 Lesson 1 business organization - power point - duke Lesson 5 banking - power point - duke Lesson 5 Banking - PowerPoint - Duke Lesson plan 1 market structures - power point - duke Lesson plan 1 market structures - power point - duke Lesson 12 thinking outside the margin - power point - duke Lesson 7 - shifting the supply and demand curve - power point - duke Lesson plan 4 free trade - duke 
