The campaign map shows one road producing less revenue than its traffic should support. Hostile neighboring powers have turned useful transport infrastructure into an interrupted economic connection. The mechanic is simplified, but the economic effect is clear. The road earns money only when political and military conditions allow traffic to use it.
Notable Point · 38:41-39:56
War turns a trade road into lost revenue
The campaign makes the economic cost of war visible when a promising road fails to produce income from hostile neighbors.