Managing Several Provinces Area's / Buildings and Units
-LMB = Left Mouse Button > click in Province Admin panel
-choose type building at TOP
-select construction or production
-ctrl +RMB (Right Mouse Button) if selecting provs
click top - go to the bottom, you click Shift + RMB + scrolling will also work in selection for build / production and enable and disable buildings
shift + RMB is the important part to gain control over many provinces and to build what ever you want all in one click instead of 100 clicks or more when selecting areas, you can highlight in red Tint, then you use province admin to click and you are building/producing dozens or more buildings and units...