Using the lens of politics and economics, GLS 102 builds upon key concepts of the field learned in GLS 101 to study the complexities of human interactions as they occur in multiple ways around the world. These include interactions among individuals and groups, interactions in the market through the nation-state, and interactions at the supranational level. GLS 102 is global in coverage, focusing on low, middle- and high-income countries, and is practical in orientation. It covers key concepts including development, sustainability, security, and sovereignty. Particular attention is focused throughout the course on case studies of several countries, which allows students to see the connections between the concepts and how they play out in specific socio-economic settings in the present-day world.