An unstable neighbourhood, migration, the question about Europe’s fate on a geopolitically divided planet, and the blurring line between peace and violence in the world: we face a lot of challenges these days. How to deal with them? Common, collective, connected, and comprehensive! Four traits, 4 Cs, which might be the answer? Within our seminar, it is you, physically and intellectually, who experiences and evaluates these 4 Cs. "We are only as strong as we are united, as weak as we are divided."