Ivan understood Zhao Hai's intentions. There were too many things to deal with in Versailles Duchy, so he didn't ask Zhao Hai to stay.
Zhao Hai knew Ivan was in a difficult position. Casar city was a big city, so it didn't produce any food. All the food was transported in from outside. Although the Versailles family had some food in reserve, it was difficult to feed the entire city. Furthermore, even though they didn't manage to take down Casar city, they had caused a certain amount of damage to the food production areas around it.
So now, the Versailles Duchy was facing a food problem again. Of course, they would not be short of food this time. Many merchants did not increase the price of food. They knew that it was no longer effective to use this method against the Versailles family.