[yurislave]

I've seen that comanders get experience, could someone tell me.
1. Do pretenders get experience or just commanders?
2. How do they get experience it is through battle or do they gain it over time or do actions like building and converting and researching gain experience?
3. Does experience get the commanders/pretenders new skills like being able to command more units, being able to convert better, better magic and research skills so on and so forth?
4. If 3 is a yes do you get to choose the skills and if so how do you do this?
Thanks so much.