As mentioned about cavalry, the MUs will take up multiply population slots.
The better army should be the one that mixes the military units. Of course with the Alpha test, I will not be surprised by some of the strategies that evolve using one unit armies.
But that is what the Alpha is for: attempt to cut the bugs and balance issues out ahead of time.
"The devil and the priest can't exist if one goes away, its just like the battle of the sun and moon, night and day. The force of the devil is what we are told to fear. Watch out for religion when he gets too near."
"Living in a world of fantasy, I can hide behind what's real."
"Behind a smile, there's danger and a promise to be told, you'll never get old. Life's fantasy, to be locked away and still to think you're free! So live for today, tomorrow never comes. Die young."