Nine units of study to help high school social studies teachers introduce a global perspective are contained in this booklet. Stressing interactions among regions economically, politically, and socially, the lessons are intended to help teachers reinforce basic skills and introduce new images of the world. Each lesson contains the following components: duration, purpose, objectives, background information for teachers, materials, vocabulary, instructional strategies, and instructional options. Simulations, maps, and discussion guidelines are included in most of the units. The lessons include: "Analyzing Our International Activities and Linkages"; "Introducing Students to Cultural Diffusion and Their Global Heritage"; "Introducing the Systems Concept: The Environment and Other Global Systems"; "Designing World Political Maps"; "Discussing the National Boundary: Invisible Lines--Political Reality"; "Drawing Political Boundaries: A Simulation"; "American Agriculture and the Global Food System"; "Ocean Boundaries and the Resources of the Sea"; and "Natural Resources and Dependence on the World Economy: Latin America." (TRS)