How to build town watch?

[MoKuS]

I use my general and bring it in a certain point on the map but there is no option for building town watch. Any help?

[Akarios]

Town watches are automatically included whenever the unrest level is higher than the suppression ability of the units you've garrisoned in the city. The amount of town watch you get is based on the repression level of your Chief Justice/Minister of Justice/etc. located in the ministers section in the government screen.

[MoKuS]

Thanks.