I hope businessmen can become independent characters，That way, we can achieve "blocking trade routes" and "plundering goods.
Merchants who travel back and forth between national capitals one times are considered to have completed one trade. And sanctions will result in merchants being unable to pass through the territory of the sanctioned party and the land where the sanctioned party's military is located.
The product segmentation has become food and daily necessities, and some countries seem unable to achieve self-sufficiency in food.
The army should not cross the ocean casually, and there should be transport ships and transport planes to carry them across the sea.
Sorry to mention other games. Demand of Nation and World War 1914 seem to have some advantages that can be seen and referenced