How to Build colonial buildings ?

[Ewin Rommel]

how do you build colonial buildings because im playing as italy and i want some colonies ive got enough resources but it says my technology is not high enough what do i research to allow me to build colonial buildings?
Thanks

 

[Orm]

Here you go:
http://www.paradoxian.org/vickywiki/index.php/A_Guide_for_Victoria:Revolutions#Colonisation

Especially this bit explains which techs you need:
http://www.paradoxian.org/vickywiki...echs_.2F_Inventions_Required_for_Colonisation

 

[Ewin Rommel]

Thanks