there very easy to make
first get a civilian fractoin by adding either civilian unit or building
then go to the script menu now here is the time consuming part
select the civilian thing then click on new script then name your script for youll have an easy time telling script from script
then you click on action if true then select the first thing in the menu there is normaly somthing there if not click new
then scroll up in the menu that pops up and click the plus by the word Map
then click on the plus by the word Modify
then here comes the part of editing the tech tree
click on the sentance Adjust the tech for a specific object type then in the area below it will say '???' becomes buildable(yes)
click on the '???' and the menu apears showing the generals click the plus by one and click OK
the go to the buildable (yes) and you can make it no, yes, ignore prerequisites and only by AI
ignore prerequisites means you wont have to have a generals promotion to build snipers and other things like that
and there you go
please hesitate to post corrections to my post😠

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