Although some people believed that the end of the Cold War would herald a new age of peace, the 1990s have seen more than five million people die in over 35 deadly conflicts. New technologies have made warfare ever more deadly. There is, however, a breadth of options available to prevent or control deadly conflict in the world. This curriculum module aims to introduce high school students to the tools that have been used successfully to prevent violence, and to demonstrate why it is urgent that the United States act to prevent conflict beyond its borders. Through group work and simulations, students can gain experience in analyzing deadly conflicts and prescribing strategies for preventing them. The module begins with an introduction and rationale, an overview, goals, materials and equipment needed, grade levels and subjects, social science standards, time and suggested sequence of activities, and small group roles. The three supporting lessons are: (1) "What Is 'Deadly Conflict?'" (contains 2 transparencies, 2 teacher information cards, and 6 handouts); (2) "Analyzing Conflict" (contains 2 transparencies, a teacher information card, and 11 handouts); and (3) "How Might Recent Conflicts Have Been Prevented?" (contains a teacher information card and 11 handouts). Appendixes contain an extensive glossary and a list of general references, as well as references for each lesson. (BT)