No 6 hour wars, only 12, 24 and 48 hours. Wait times are 4 hours, 8 hours and 12 hours i believe respectively.
How do you make this: <a href="http://cooltext.com"><img src="http://images.cooltext.com/2919692.png" width="320" height="123" alt="-7LS7-" /></a> <br />Image by <a href="http://cooltext.com">Cool Text: Free Graphics Generator</a> - <a href="http://cooltext.com/Logo-Design?LogoID=780518764">Edit Image</a> Work?
Whichever upgrade is cheapest is a good rule of thumb to follow, unless you want to balance out stats.
@senorita either way i spend 100 bil so which is a better upgrade for plunder i guess is what i am asking