Every man and woman who steps forward to fight for the freedom and lives of others can be called a hero. Many members of the air force have exceeded even that high calling and have performed such cour
Discusses the history of Native Americans in the Northeastern part of the United States, including the Mohicans, the Iroquois Confederacy, and the Powhatan Empire.
Looks at the ways in which pollution and trash are ruining the environment, from the decimated polar bear population to the great Pacific garbage patch.
Examines the economy of the Aztec civilization, looking at the goods they produced, how they were traded, how wealth was distributed, and the work that people did.
Traces the history of slavery in early America, describing what life was like for slaves coming to the New World, life on plantations, the work they did, famous escapes, and their efforts to obtain fr
