LARGE PPT, good for multiple lectures/lessons. Great resource for World History, US History, Global Economy. Secondary level PPT, full of pictures, charts, maps, engaging and interesting with lots of content. Covers the periods 1450-1750 and the global trade in slaves, silver, and fur that dominated the world at those times. Explores the impact of slavery on Africa as well as the practice of slavery in the Americas. Examines the "silver drain" as Spanish silver ended up in China.