In this lesson plan that takes one class period to complete, high school students explore how political systems influence economic activity by comparing 1991 and 2012 agricultural patterns around the Serbian capital of Belgrade. This lesson provides an insight into the model of transformation of agriculture in Serbia, but a comparison of the degree of specialization of agriculture can also be made between different regions. After studying the transformation of agriculture by the method of comparative analysis, students will be able to apply the same method of research to different economic activities and in that way gain a better insight into the processes of political, economic, and social transition. In addition, the transformation of collectivist systems into market economies can be analyzed by studying the ownership structure of companies (a comparison of private and social). A lesson worksheet is included.