Ok I have 2 questions if anyone knows the answers 
Firstly.
Can it be done so that when a game starts you are forced to select civics and are locked into those civics?
Secondly, can you limit tech researching, based on the civic you have chosen?

Firstly.
Can it be done so that when a game starts you are forced to select civics and are locked into those civics?
Secondly, can you limit tech researching, based on the civic you have chosen?