The entire modern supply chain system is based on exploiting as many workers as possible in their mania to maximize profit in just-in-time deliveries. This is actually annoying, as there are only two colors: green (my capital) and red (the world). Concentrate development is the worst mechanic ever added to EU4, is still unfixed, 1. Eu4 concentrate development reddit RuslanaChen: 6 15 A gamer girl from Ukraine, channel is in English and Russian.