Contrasts ancient and modern methods of irrigation along the Nile. Discusses the benefits of the dam at Aswan. Shows how the Nile brings fertility to...
Follows Don as he sees different kinds of rocks at a granite quarry, sandstone cliff and museum. Demonstrates the effects of water, heat and pressure...
Presents the history of the U S from the inauguration of Franklin D Roosevelt to the eve of World War II, including the Great Depression and New Deal...
Depicts life in a medieval town from the point of view of a young serf. Explains the influence of trade and the role of the merchant and craft guilds...