Yes, basically this.
Mine or land, once you assign an administrator, generally the best person to continue administrating it is the child of the previous administrator, who is raised and taught how to manage it, what quirks, it has, etc, and this will continue to be true until even the modern era(where, surprise, many CEOs and top tier politicians/executives come from similar backgrounds)
It's under Heroic Admin assuming direct control, so a few oddities applied.
Yes, they will return, we'll quell them like we did back then.
The road infrastructure is not a nice extra, but ESSENTIAL to the health of a longstanding nation. It is better to have to beat "lets move de facto to de jure" off than to just set things up so that the country tears apart from lack of internal connectivity.