This is the fourth unit to the 12th-grade second-semester "Comparing Political Experiences" course which focuses on specific controversial political issues. The unit analyzes the concept of political development by examining the Cummins Engine Company and employee job security during the company's growth into a multinational corporation. Using the documentary approach, the unit is divided into five student activities provided form a participant's eye view. The first activity presents information about the history of the engine company as a political system. Activity 2 introduces the concept of political development and the related ideas of mobilization and planning. It explains how the Cummins Company changed from a primarily elite-type structure to a primarily bureaucratic structure. In activity 3, students learn about the concept of penetration through a role-play exercise and then apply the concept to the expansion of the company into Mexico and India. Activity 4 focuses on the concept of interdependence through an examination of how the company has become interdependent with Mexico. Finally, activity 5 requires students to predict alternative futures for the company under different economic conditions. Each activity contains necessary student materials and discussion questions. (Author/DE)