so i'm building some civs for fun so i can go island hopping and so on but it occurs to me that the first 'grouping' of upgrades don't really tell you what they do? does anyone know? i've looked through the manual download but it doesn't have them specifically in there. help please, thanks.

http://www.gamefaqs.com/pc/561395-empire-earth-the-art-of-conquest/faqs/35992

simple google search bro.