Just wondering for those of you that have been succesful warmongers or even peaceful builders who have been able to stop themselves from being overrun during the game: what types and numbers of units do you keep in your cities to fend off attackers? ie how many ground units, how many bombardment units, etc. I am trying to find the balance between building enough defense but also being able to complete wonders and the buildings I need. I usually play on standard, Noble, 7 civs(?) (whatever the default is for standard) Thanks!