Describes the journeys west made by many settlers in the mid-1800s--mostly overland, but also by sea--discussing their reasons for going, the difficulties they faced, and life on the way.
Describes the economic and environmental conditions that led to the Great Depression and the horrific dust storms that drove people from their homes westward during the 1930s.
Describes the history and practice of slavery, particularly the African slave trade--its origins, growth, and demise from the fifteenth through the nineteenth centuries.