Alright, is there a mod pack whit a lot of civilizations, new civics and some new ressources?

And can someone explain me how to build a mod too?

Thanks a lot.

First off, welcome to CFC, second this is the wrong forum to start a how to question, should be in the Creation & Customization area, and then this should help:

http://forums.civfanatics.com/showthread.php?t=132476

Have a nice day.